IELTS Spelling: US or UK

Comprehensive* list of American and British spelling differences

DEREK JENSEN, back in 2005, wrote up his study of US and UK spelling differences and published a comprehensive* list. Over the next 8 years, it’s by far the article that he’d had the most feedback on, most of it noting one or two spellings that he missed. He eventually stopped updating the page, but since he continue to get notes, he decided to do a full update and present this as a central repository for the list in an easier-to-read format.

* It would be impractical to try to offer a truly comprehensive list of any words like this, since you can make a couple of different verb forms out of almost any noun, a couple of different nouns out of nearly any verb, etc. So capital can become capitalize and capitalizes, then capitalization and capitalizing, then capitalizations and capitalizings, and even capitalizationing and capitalizationings. And then you can negate or reverse them: decapitalizationingrecapitalizationingpseudocapitalizationing, etc. This is why any estimates of total number of words in the language or someone’s vocabulary are fairly meaningless.

He counted about 1,800 of the little buggers, roots and derivatives included. That’s a lot of differences, but they break down into ten or eleven types:

  1. -ise vs -ize
  2. -ll- vs -l-
  3. (final -l vs final -ll)
  4. -ae- vs -e-
  5. -oe- vs -e-
  6. -our vs -or
  7. -tre vs -ter
  8. -gramme vs -gram
  9. -logue vs -log
  10. -ence vs -ense
  11. miscellaneous

Why list all 1800 differences? Why not just list root words? Sometimes, the difference lies not in the root (chanel, travel) but in the derivative (chanelling/chaneling, travelling/traveling). Or the difference is in the root (glamour/glamor, enthral/enthrall) but disappears in the derivative (glamorous, enthralling).

Also, the purpose of this list is to be a comprehensive collection that may come in useful if you find you need to “Americanize” your British spelling or “Briticise” your American spelling. A root-only list would not only require more work for me (to cull the derivatives) but, for anyone wanting to actually use the list programmatically (in a Word substitution macro, for example) more work to recreate all the derivatives.

In each sub-headings below, the UK spelling is first, then the US spelling.

-ise vs -ize

This includes words like agonise and terrorise as well as oddballs analyse and paralyse. This is the big dog. It covers close to 900 words. However, there are plenty of words that Americans spell -ise that don’t have the meaning “to make or create X,” including surprise, advertise, improvise. And then there’s televise, which does mean “to make into a television broadcast.”

Note that the origin of the -ise and -ize endings are different.

-ll- vs -l-

This is a strange category that actually encompasses -ller, -lling, -lled, and related constructions. It’s big—about 140 words—but very inconsistent. UK spellings like funnelled, controller, and jewellery fit the category but don’t look too odd to Americans because of enrolled, fulfilled, and similar words. Panel follows this form with paneled in the US and panelled in the UK. However, it’s just the opposite for empanel. It becomes empanelled in the US and empaneled in the UK! And, as any frequent flier knows, cancelled and canceled exist pretty much equally in US English.

(Final -l vs final -ll)

Call it a small sub-category or a call it a communist plot, words that actually end in L follow a contrary rule to the one above. Words that end in -ll in the US end in -l in the UK. So Yanks write appall, instill, and enroll, while Brits write appal, instil, and enrol. Both write awful, harmful, stressful, etc. despite the obvious connection to full.

Before you say, “Aha! Americans double the L on the end when it’s a two-syllable word with the accent on the second syllable!” feast your eyes on cartel and canal—but those are nouns, silly!—and excel, propel, and repel—well, okay, those are verbs. Brits write fulfil, but also refill. To quote the great English poet Taupin:

About 1,800 roots and derivitives, some of these are alternative (not preferred) spellings among one group or another (Canadians being particularly mercurial). Check out the main page for a review of the types of spelling differences.

* It would be impractical to try to offer a truly comprehensive list of any words like this, since you can make a couple of different verb forms out of almost any noun, a couple of different nouns out of nearly any verb, etc. So capital can become capitalize and capitalizes, then capitalization and capitalizing, then capitalizations and capitalizings, and even capitalizationing and capitalizationings. And then you can negate or reverse them: decapitalizationingrecapitalizationingpseudocapitalizationing, etc. This is why any estimates of total number of words in the language or someone’s vocabulary are fairly meaningless.

Updated 2014.05.08: worshipper/worshiper, et al.

Non-preferred US alternative spellings are marked in red.

UKUS
accessorise
accessorised
accessorises
accessorising
acclimatisation
acclimatise
acclimatised
acclimatises
acclimatising
accoutrements
aeon
aeons
aerogramme
aerogrammes
aeroplane
aeroplanes
aesthete
aesthetes
aesthetic
aesthetically
aesthetics
aetiology
ageing
aggrandisement
agonise
agonised
agonises
agonising
agonisingly
almanack
almanacks
aluminium
amortisable
amortisation
amortisations
amortise
amortised
amortises
amortising
amphitheatre
amphitheatres
anaemia
anaemic
anaesthesia
anaesthetic
anaesthetics
anaesthetise
anaesthetised
anaesthetises
anaesthetising
anaesthetist
anaesthetists
anaesthetize
anaesthetized
anaesthetizes
anaesthetizing
analogue
analogues
analyse
analysed
analyses
analysing
anglicise
anglicised
anglicises
anglicising
annualised
antagonise
antagonised
antagonises
antagonising
apologise
apologised
apologises
apologising
appal
appals
appetiser
appetisers
appetising
appetisingly
arbour
arbours
archaeological
archaeologically
archaeologist
archaeologists
archaeology
ardour
armour
armoured
armourer
armourers
armouries
armoury
artefact
artefacts
authorise
authorised
authorises
authorising
axe
backpedalled
backpedalling
bannister
bannisters
baptise
baptised
baptises
baptising
bastardise
bastardised
bastardises
bastardising
battleaxe
baulk
baulked
baulking
baulks
bedevilled
bedevilling
behaviour
behavioural
behaviourism
behaviourist
behaviourists
behaviours
behove
behoved
behoves
bejewelled
belabour
belaboured
belabouring
belabours
bevelled
bevvies
bevvy
biassed
biassing
bingeing
bougainvillaea
bougainvillaeas
bowdlerise
bowdlerised
bowdlerises
bowdlerising
breathalyse
breathalysed
breathalyser
breathalysers
breathalyses
breathalysing
brutalise
brutalised
brutalises
brutalising
buses
busing
caesarean
caesareans
calibre
calibres
calliper
callipers
callisthenics
canalise
canalised
canalises
canalising
cancellation
cancellations
cancelled
cancelling
candour
cannibalise
cannibalised
cannibalises
cannibalising
canonise
canonised
canonises
canonising
capitalise
capitalised
capitalises
capitalising
caramelise
caramelised
caramelises
caramelising
carbonise
carbonised
carbonises
carbonising
carolled
carolling
catalogue
catalogued
catalogues
cataloguing
catalyse
catalysed
catalyses
catalysing
categorise
categorised
categorises
categorising
cauterise
cauterised
cauterises
cauterising
cavilled
cavilling
centigramme
centigrammes
centilitre
centilitres
centimetre
centimetres
centralise
centralised
centralises
centralising
centre
centred
centrefold
centrefolds
centrepiece
centrepieces
centres
channelled
channelling
characterise
characterised
characterises
characterising
cheque
chequebook
chequebooks
chequered
cheques
chilli
chimaera
chimaeras
chiselled
chiselling
circularise
circularised
circularises
circularising
civilise
civilised
civilises
civilising
clamour
clamoured
clamouring
clamours
clangour
clarinettist
clarinettists
collectivise
collectivised
collectivises
collectivising
colonisation
colonise
colonised
coloniser
colonisers
colonises
colonising
colour
colourant
colourants
coloured
coloureds
colourful
colourfully
colouring
colourize
colourized
colourizes
colourizing
colourless
colours
commercialise
commercialised
commercialises
commercialising
compartmentalise
compartmentalised
compartmentalises
compartmentalising
computerise
computerised
computerises
computerising
conceptualise
conceptualised
conceptualises
conceptualising
connexion
connexions
contextualise
contextualised
contextualises
contextualising
cosier
cosies
cosiest
cosily
cosiness
cosy
councillor
councillors
counselled
counselling
counsellor
counsellors
crenellated
criminalise
criminalised
criminalises
criminalising
criticise
criticised
criticises
criticising
crueller
cruellest
crystallisation
crystallise
crystallised
crystallises
crystallising
cudgelled
cudgelling
customise
customised
customises
customising
cypher
cyphers
decentralisation
decentralise
decentralised
decentralises
decentralising
decriminalisation
decriminalise
decriminalised
decriminalises
decriminalising
defence
defenceless
defences
dehumanisation
dehumanise
dehumanised
dehumanises
dehumanising
demeanour
demilitarisation
demilitarise
demilitarised
demilitarises
demilitarising
demobilisation
demobilise
demobilised
demobilises
demobilising
democratisation
democratise
democratised
democratises
democratising
demonise
demonised
demonises
demonising
demoralisation
demoralise
demoralised
demoralises
demoralising
denationalisation
denationalise
denationalised
denationalises
denationalising
deodorise
deodorised
deodorises
deodorising
depersonalise
depersonalised
depersonalises
depersonalising
deputise
deputised
deputises
deputising
desensitisation
desensitise
desensitised
desensitises
desensitising
destabilisation
destabilise
destabilised
destabilises
destabilising
dialled
dialling
dialogue
dialogues
diarrhoea
digitise
digitised
digitises
digitising
disc
discolour
discoloured
discolouring
discolours
discs
disembowelled
disembowelling
disfavour
dishevelled
dishonour
dishonourable
dishonourably
dishonoured
dishonouring
dishonours
disorganisation
disorganised
distil
distils
dramatisation
dramatisations
dramatise
dramatised
dramatises
dramatising
draught
draughtboard
draughtboards
draughtier
draughtiest
draughts
draughtsman
draughtsmanship
draughtsmen
draughtswoman
draughtswomen
draughty
drivelled
drivelling
duelled
duelling
economise
economised
economises
economising
edoema
editorialise
editorialised
editorialises
editorialising
empathise
empathised
empathises
empathising
emphasise
emphasised
emphasises
emphasising
enamelled
enamelling
enamoured
encyclopaedia
encyclopaedias
encyclopaedic
endeavour
endeavoured
endeavouring
endeavours
energise
energised
energises
energising
enrol
enrols
enthral
enthrals
epaulette
epaulettes
epicentre
epicentres
epilogue
epilogues
epitomise
epitomised
epitomises
epitomising
equalisation
equalise
equalised
equaliser
equalisers
equalises
equalising
eulogise
eulogised
eulogises
eulogising
evangelise
evangelised
evangelises
evangelising
exorcise
exorcised
exorcises
exorcising
extemporisation
extemporise
extemporised
extemporises
extemporising
externalisation
externalisations
externalise
externalised
externalises
externalising
factorise
factorised
factorises
factorising
faecal
faeces
familiarisation
familiarise
familiarised
familiarises
familiarising
fantasise
fantasised
fantasises
fantasising
favour
favourable
favourably
favoured
favouring
favourite
favourites
favouritism
favours
feminise
feminised
feminises
feminising
fertilisation
fertilise
fertilised
fertiliser
fertilisers
fertilises
fertilising
fervour
fibre
fibreglass
fibres
fictionalisation
fictionalisations
fictionalise
fictionalised
fictionalises
fictionalising
fillet
filleted
filleting
fillets
finalisation
finalise
finalised
finalises
finalising
flautist
flautists
flavour
flavoured
flavouring
flavourings
flavourless
flavours
flavoursome
flyer / flier
foetal
foetid
foetus
foetuses
formalisation
formalise
formalised
formalises
formalising
fossilisation
fossilise
fossilised
fossilises
fossilising
fraternisation
fraternise
fraternised
fraternises
fraternising
fulfil
fulfilment
fulfils
funnelled
funnelling
galvanise
galvanised
galvanises
galvanising
gambolled
gambolling
gaol
gaolbird
gaolbirds
gaolbreak
gaolbreaks
gaoled
gaoler
gaolers
gaoling
gaols
gases
gauge
gauged
gauges
gauging
generalisation
generalisations
generalise
generalised
generalises
generalising
ghettoise
ghettoised
ghettoises
ghettoising
gipsies
glamorise
glamorised
glamorises
glamorising
glamour
globalisation
globalise
globalised
globalises
globalising
glueing
goitre
goitres
gonorrhoea
gramme
grammes
gravelled
grey
greyed
greying
greyish
greyness
greys
grovelled
grovelling
groyne
groynes
gruelling
gruellingly
gryphon
gryphons
gynaecological
gynaecologist
gynaecologists
gynaecology
haematological
haematologist
haematologists
haematology
haemoglobin
haemophilia
haemophiliac
haemophiliacs
haemorrhage
haemorrhaged
haemorrhages
haemorrhaging
haemorrhoids
harbour
harboured
harbouring
harbours
harmonisation
harmonise
harmonised
harmonises
harmonising
homoeopath
homoeopathic
homoeopaths
homoeopathy
homogenise
homogenised
homogenises
homogenising
honour
honourable
honourably
honoured
honouring
honours
hospitalisation
hospitalise
hospitalised
hospitalises
hospitalising
humanise
humanised
humanises
humanising
humour
humoured
humouring
humourless
humours
hybridise
hybridised
hybridises
hybridising
hypnotise
hypnotised
hypnotises
hypnotising
hypothesise
hypothesised
hypothesises
hypothesising
idealisation
idealise
idealised
idealises
idealising
idolise
idolised
idolises
idolising
immobilisation
immobilise
immobilised
immobiliser
immobilisers
immobilises
immobilising
immortalise
immortalised
immortalises
immortalising
immunisation
immunise
immunised
immunises
immunising
impanelled
impanelling
imperilled
imperilling
individualise
individualised
individualises
individualising
industrialise
industrialised
industrialises
industrialising
inflexion
inflexions
initialise
initialised
initialises
initialising
initialled
initialling
instal
instalment
instalments
instals
instil
instils
institutionalisation
institutionalise
institutionalised
institutionalises
institutionalising
intellectualise
intellectualised
intellectualises
intellectualising
internalisation
internalise
internalised
internalises
internalising
internationalisation
internationalise
internationalised
internationalises
internationalising
ionisation
ionise
ionised
ioniser
ionisers
ionises
ionising
italicise
italicised
italicises
italicising
itemise
itemised
itemises
itemising
jeopardise
jeopardised
jeopardises
jeopardising
jewelled
jeweller
jewellers
jewellery
judgement
kilogramme
kilogrammes
kilometre
kilometres
labelled
labelling
labour
laboured
labourer
labourers
labouring
labours
lacklustre
legalisation
legalise
legalised
legalises
legalising
legitimise
legitimised
legitimises
legitimising
leukaemia
levelled
leveller
levellers
levelling
libelled
libelling
libellous
liberalisation
liberalise
liberalised
liberalises
liberalising
licence
licenced
licences
licencing
likeable
lionisation
lionise
lionised
lionises
lionising
liquidise
liquidised
liquidiser
liquidisers
liquidises
liquidising
litre
litres
localise
localised
localises
localising
louvre
louvred
louvres
lustre
magnetise
magnetised
magnetises
magnetising
manoeuvrability
manoeuvrable
manoeuvre
manoeuvred
manoeuvres
manoeuvring
manoeuvrings
marginalisation
marginalise
marginalised
marginalises
marginalising
marshalled
marshalling
marvelled
marvelling
marvellous
marvellously
materialisation
materialise
materialised
materialises
materialising
maximisation
maximise
maximised
maximises
maximising
meagre
mechanisation
mechanise
mechanised
mechanises
mechanising
mediaeval
memorialise
memorialised
memorialises
memorialising
memorise
memorised
memorises
memorising
mesmerise
mesmerised
mesmerises
mesmerising
metabolise
metabolised
metabolises
metabolising
metre
metres
micrometre
micrometres
militarise
militarised
militarises
militarising
milligramme
milligrammes
millilitre
millilitres
millimetre
millimetres
miniaturisation
miniaturise
miniaturised
miniaturises
miniaturising
minibuses
minimise
minimised
minimises
minimising
misbehaviour
misdemeanour
misdemeanours
misspelt
mitre
mitres
mobilisation
mobilise
mobilised
mobilises
mobilising
modelled
modeller
modellers
modelling
modernise
modernised
modernises
modernising
moisturise
moisturised
moisturiser
moisturisers
moisturises
moisturising
monologue
monologues
monopolisation
monopolise
monopolised
monopolises
monopolising
moralise
moralised
moralises
moralising
motorised
mould
moulded
moulder
mouldered
mouldering
moulders
mouldier
mouldiest
moulding
mouldings
moulds
mouldy
moult
moulted
moulting
moults
moustache
moustached
moustaches
moustachioed
multicoloured
nationalisation
nationalisations
nationalise
nationalised
nationalises
nationalising
naturalisation
naturalise
naturalised
naturalises
naturalising
neighbour
neighbourhood
neighbourhoods
neighbouring
neighbourliness
neighbourly
neighbours
neutralisation
neutralise
neutralised
neutralises
neutralising
normalisation
normalise
normalised
normalises
normalising
odour
odourless
odours
oesophagus
oesophaguses
oestrogen
offence
offences
omelette
omelettes
optimise
optimised
optimises
optimising
organisation
organisational
organisations
organise
organised
organiser
organisers
organises
organising
orthopaedic
orthopaedics
ostracise
ostracised
ostracises
ostracising
outmanoeuvre
outmanoeuvred
outmanoeuvres
outmanoeuvring
overemphasise
overemphasised
overemphasises
overemphasising
oxidisation
oxidise
oxidised
oxidises
oxidising
paederast
paederasts
paediatric
paediatrician
paediatricians
paediatrics
paedophile
paedophiles
paedophilia
palaeolithic
palaeontologist
palaeontologists
palaeontology
panelled
panelling
panellist
panellists
paralyse
paralysed
paralyses
paralysing
parcelled
parcelling
parlour
parlours
particularise
particularised
particularises
particularising
passivisation
passivise
passivised
passivises
passivising
pasteurisation
pasteurise
pasteurised
pasteurises
pasteurising
patronise
patronised
patronises
patronising
patronisingly
pedalled
pedalling
pedestrianisation
pedestrianise
pedestrianised
pedestrianises
pedestrianising
penalise
penalised
penalises
penalising
pencilled
pencilling
personalise
personalised
personalises
personalising
pharmacopoeia
pharmacopoeias
philosophise
philosophised
philosophises
philosophising
philtre
philtres
phoney
plagiarise
plagiarised
plagiarises
plagiarising
plough
ploughed
ploughing
ploughman
ploughmen
ploughs
ploughshare
ploughshares
polarisation
polarise
polarised
polarises
polarising
politicisation
politicise
politicised
politicises
politicising
popularisation
popularise
popularised
popularises
popularising
pouffe
pouffes
practise
practised
practises
practising
praesidium
praesidiums
pressurisation
pressurise
pressurised
pressurises
pressurising
pretence
pretences
primaeval
prioritisation
prioritise
prioritised
prioritises
prioritising
privatisation
privatisations
privatise
privatised
privatises
privatising
professionalisation
professionalise
professionalised
professionalises
professionalising
programme
programmes
prologue
prologues
propagandise
propagandised
propagandises
propagandising
proselytise
proselytised
proselytiser
proselytisers
proselytises
proselytising
psychoanalyse
psychoanalysed
psychoanalyses
psychoanalysing
publicise
publicised
publicises
publicising
pulverisation
pulverise
pulverised
pulverises
pulverising
pummelled
pummelling
pyjama
pyjamas
pzazz
quarrelled
quarrelling
radicalise
radicalised
radicalises
radicalising
rancour
randomise
randomised
randomises
randomising
rationalisation
rationalisations
rationalise
rationalised
rationalises
rationalising
ravelled
ravelling
realisable
realisation
realisations
realise
realised
realises
realising
recognisable
recognisably
recognisance
recognise
recognised
recognises
recognising
reconnoitre
reconnoitred
reconnoitres
reconnoitring
refuelled
refuelling
regularisation
regularise
regularised
regularises
regularising
remodelled
remodelling
remould
remoulded
remoulding
remoulds
reorganisation
reorganisations
reorganise
reorganised
reorganises
reorganising
revelled
reveller
revellers
revelling
revitalise
revitalised
revitalises
revitalising
revolutionise
revolutionised
revolutionises
revolutionising
rhapsodise
rhapsodised
rhapsodises
rhapsodising
rigour
rigours
ritualised
rivalled
rivalling
romanticise
romanticised
romanticises
romanticising
rumour
rumoured
rumours
sabre
sabres
saltpetre
sanitise
sanitised
sanitises
sanitising
satirise
satirised
satirises
satirising
saviour
saviours
savour
savoured
savouries
savouring
savours
savoury
scandalise
scandalised
scandalises
scandalising
sceptic
sceptical
sceptically
scepticism
sceptics
sceptre
sceptres
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scrutinised
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secularisation
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secularised
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sensationalise
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sensitise
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sensitising
sentimentalise
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sentimentalising
sepulchre
sepulchres
serialisation
serialisations
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serialised
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serialising
sermonise
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sermonising
sheikh
shovelled
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shrivelled
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signalised
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signalising
signalled
signalling
smoulder
smouldered
smouldering
smoulders
snivelled
snivelling
snorkelled
snorkelling
snowplough
snowploughs
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socialise
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socialising
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sodomised
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sodomising
solemnise
solemnised
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solemnising
sombre
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specialisations
specialise
specialised
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specialising
spectre
spectres
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spiralling
splendour
splendours
squirrelled
squirrelling
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stabilise
stabilised
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stabilisers
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stabilising
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standardise
standardised
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standardising
stencilled
stencilling
sterilisation
sterilisations
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sterilising
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stigmatise
stigmatised
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stigmatising
storey
storeys
subsidisation
subsidise
subsidised
subsidiser
subsidisers
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subsidising
succour
succoured
succouring
succours
sulphate
sulphates
sulphide
sulphides
sulphur
sulphurous
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summarising
swivelled
swivelling
symbolise
symbolised
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symbolising
sympathise
sympathised
sympathiser
sympathisers
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sympathising
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synchronise
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synthesised
synthesiser
synthesisers
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synthesising
syphon
syphoned
syphoning
syphons
systematisation
systematise
systematised
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systematising
tantalise
tantalised
tantalises
tantalising
tantalisingly
tasselled
technicolour
temporise
temporised
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temporising
tenderise
tenderised
tenderises
tenderising
terrorise
terrorised
terrorises
terrorising
theatre
theatregoer
theatregoers
theatres
theorise
theorised
theorises
theorising
tonne
tonnes
towelled
towelling
toxaemia
tranquillise
tranquillised
tranquilliser
tranquillisers
tranquillises
tranquillising
tranquillity
tranquillize
tranquillized
tranquillizer
tranquillizers
tranquillizes
tranquillizing
tranquilly
transistorised
traumatise
traumatised
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traumatising
travelled
traveller
travellers
travelling
travelogue
travelogues
trialled
trialling
tricolour
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trivialise
trivialised
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trivialising
tumour
tumours
tunnelled
tunnelling
tyrannise
tyrannised
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tyrannising
tyre
tyres
unauthorised
uncivilised
underutilised
unequalled
unfavourable
unfavourably
unionisation
unionise
unionised
unionises
unionising
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unravelled
unravelling
unrecognisable
unrecognised
unrivalled
unsavoury
untrammelled
urbanisation
urbanise
urbanised
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urbanising
utilisable
utilisation
utilise
utilised
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utilising
valour
vandalise
vandalised
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vandalising
vaporisation
vaporise
vaporised
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vaporising
vapour
vapours
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verbalised
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verbalising
victimisation
victimise
victimised
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victimising
videodisc
videodiscs
vigour
visualisation
visualisations
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visualising
vocalisation
vocalisations
vocalise
vocalised
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vocalising
vulcanised
vulgarisation
vulgarise
vulgarised
vulgarises
vulgarising
waggon
waggons
watercolour
watercolours
weaselled
weaselling
westernisation
westernise
westernised
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westernising
womanise
womanised
womaniser
womanisers
womanises
womanising
woollen
woollens
woollies
woolly
worshipped
worshipping
worshipper
yodelled
yodelling
yoghourt
yoghourts
yoghurt
yoghurts
accessorize
accessorized
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accessorizing
acclimatization
acclimatize
acclimatized
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acclimatizing
accouterments
eon
eons
aerogram
aerograms
airplane
airplanes
esthete
esthetes
esthetic
esthetically
esthetics
etiology
aging
aggrandizement
agonize
agonized
agonizes
agonizing
agonizingly
almanac
almanacs
aluminum
amortizable
amortization
amortizations
amortize
amortized
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amortizing
amphitheater
amphitheaters
anemia
anemic
anesthesia
anesthetic
anesthetics
anesthetize
anesthetized
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anesthetizing
anesthetist
anesthetists
anesthetize
anesthetized
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anesthetizing
analog
analogs
analyze
analyzed
analyzes
analyzing
anglicize
anglicized
anglicizes
anglicizing
annualized
antagonize
antagonized
antagonizes
antagonizing
apologize
apologized
apologizes
apologizing
appall
appalls
appetizer
appetizers
appetizing
appetizingly
arbor
arbors
archeological
archeologically
archeologist
archeologists
archeology
ardor
armor
armored
armorer
armorers
armories
armory
artifact
artifacts
authorize
authorized
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authorizing
ax
backpedaled
backpedaling
banister
banisters
baptize
baptized
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baptizing
bastardize
bastardized
bastardizes
bastardizing
battleax
balk
balked
balking
balks
bedeviled
bedeviling
behavior
behavioral
behaviorism
behaviorist
behaviorists
behaviors
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behooved
behooves
bejeweled
belabor
belabored
belaboring
belabors
beveled
bevies
bevy
biased
biasing
binging
bougainvillea
bougainvilleas
bowdlerize
bowdlerized
bowdlerizes
bowdlerizing
breathalyze
breathalyzed
breathalyzer
breathalyzers
breathalyzes
breathalyzing
brutalize
brutalized
brutalizes
brutalizing
busses
bussing
cesarean
cesareans
caliber
calibers
caliper
calipers
calisthenics
canalize
canalized
canalizes
canalizing
cancelation
cancelations
canceled
canceling
candor
cannibalize
cannibalized
cannibalizes
cannibalizing
canonize
canonized
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canonizing
capitalize
capitalized
capitalizes
capitalizing
caramelize
caramelized
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caramelizing
carbonize
carbonized
carbonizes
carbonizing
caroled
caroling
catalog
cataloged
catalogs
cataloging
catalyze
catalyzed
catalyzes
catalyzing
categorize
categorized
categorizes
categorizing
cauterize
cauterized
cauterizes
cauterizing
caviled
caviling
centigram
centigrams
centiliter
centiliters
centimeter
centimeters
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centralized
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centralizing
center
centered
centerfold
centerfolds
centerpiece
centerpieces
centers
channeled
channeling
characterize
characterized
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characterizing
check
checkbook
checkbooks
checkered
checks
chili
chimera
chimeras
chiseled
chiseling
circularize
circularized
circularizes
circularizing
civilize
civilized
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civilizing
clamor
clamored
clamoring
clamors
clangor
clarinetist
clarinetists
collectivize
collectivized
collectivizes
collectivizing
colonization
colonize
colonized
colonizer
colonizers
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colonizing
color
colorant
colorants
colored
coloreds
colorful
colorfully
coloring
colorize
colorized
colorizes
colorizing
colorless
colors
commercialize
commercialized
commercializes
commercializing
compartmentalize
compartmentalized
compartmentalizes
compartmentalizing
computerize
computerized
computerizes
computerizing
conceptualize
conceptualized
conceptualizes
conceptualizing
connection
connections
contextualize
contextualized
contextualizes
contextualizing
cozier
cozies
coziest
cozily
coziness
cozy
councilor
councilors
counseled
counseling
counselor
counselors
crenelated
criminalize
criminalized
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criminalizing
criticize
criticized
criticizes
criticizing
crueler
cruelest
crystallization
crystallize
crystallized
crystallizes
crystallizing
cudgeled
cudgeling
customize
customized
customizes
customizing
cipher
ciphers
decentralization
decentralize
decentralized
decentralizes
decentralizing
decriminalization
decriminalize
decriminalized
decriminalizes
decriminalizing
defense
defenseless
defenses
dehumanization
dehumanize
dehumanized
dehumanizes
dehumanizing
demeanor
demilitarization
demilitarize
demilitarized
demilitarizes
demilitarizing
demobilization
demobilize
demobilized
demobilizes
demobilizing
democratization
democratize
democratized
democratizes
democratizing
demonize
demonized
demonizes
demonizing
demoralization
demoralize
demoralized
demoralizes
demoralizing
denationalization
denationalize
denationalized
denationalizes
denationalizing
deodorize
deodorized
deodorizes
deodorizing
depersonalize
depersonalized
depersonalizes
depersonalizing
deputize
deputized
deputizes
deputizing
desensitization
desensitize
desensitized
desensitizes
desensitizing
destabilization
destabilize
destabilized
destabilizes
destabilizing
dialed
dialing
dialog
dialogs
diarrhea
digitize
digitized
digitizes
digitizing
disk
discolor
discolored
discoloring
discolors
disks
disemboweled
disemboweling
disfavor
disheveled
dishonor
dishonorable
dishonorably
dishonored
dishonoring
dishonors
disorganization
disorganized
distill
distills
dramatization
dramatizations
dramatize
dramatized
dramatizes
dramatizing
draft
draftboard
draftboards
draftier
draftiest
drafts
draftsman
draftsmanship
draftsmen
draftswoman
draftswomen
drafty
driveled
driveling
dueled
dueling
economize
economized
economizes
economizing
edema
editorialize
editorialized
editorializes
editorializing
empathize
empathized
empathizes
empathizing
emphasize
emphasized
emphasizes
emphasizing
enameled
enameling
enamored
encyclopedia
encyclopedias
encyclopedic
endeavor
endeavored
endeavoring
endeavors
energize
energized
energizes
energizing
enroll
enrolls
enthrall
enthralls
epaulet
epaulets
epicenter
epicenters
epilog
epilogs
epitomize
epitomized
epitomizes
epitomizing
equalization
equalize
equalized
equalizer
equalizers
equalizes
equalizing
eulogize
eulogized
eulogizes
eulogizing
evangelize
evangelized
evangelizes
evangelizing
exorcize
exorcized
exorcizes
exorcizing
extemporization
extemporize
extemporized
extemporizes
extemporizing
externalization
externalizations
externalize
externalized
externalizes
externalizing
factorize
factorized
factorizes
factorizing
fecal
feces
familiarization
familiarize
familiarized
familiarizes
familiarizing
fantasize
fantasized
fantasizes
fantasizing
favor
favorable
favorably
favored
favoring
favorite
favorites
favoritism
favors
feminize
feminized
feminizes
feminizing
fertilization
fertilize
fertilized
fertilizer
fertilizers
fertilizes
fertilizing
fervor
fiber
fiberglass
fibers
fictionalization
fictionalizations
fictionalize
fictionalized
fictionalizes
fictionalizing
filet
fileted
fileting
filets
finalization
finalize
finalized
finalizes
finalizing
flutist
flutists
flavor
flavored
flavoring
flavorings
flavorless
flavors
flavorsome
flier / flyer
fetal
fetid
fetus
fetuses
formalization
formalize
formalized
formalizes
formalizing
fossilization
fossilize
fossilized
fossilizes
fossilizing
fraternization
fraternize
fraternized
fraternizes
fraternizing
fulfill
fulfillment
fulfills
funneled
funneling
galvanize
galvanized
galvanizes
galvanizing
gamboled
gamboling
jail
jailbird
jailbirds
jailbreak
jailbreaks
jailed
jailer
jailers
jailing
jails
gasses
gage
gaged
gages
gaging
generalization
generalizations
generalize
generalized
generalizes
generalizing
ghettoize
ghettoized
ghettoizes
ghettoizing
gypsies
glamorize
glamorized
glamorizes
glamorizing
glamor
globalization
globalize
globalized
globalizes
globalizing
gluing
goiter
goiters
gonorrhea
gram
grams
graveled
gray
grayed
graying
grayish
grayness
grays
groveled
groveling
groin
groins
grueling
gruelingly
griffin
griffins
gynecological
gynecologist
gynecologists
gynecology
hematological
hematologist
hematologists
hematology
hemoglobin
hemophilia
hemophiliac
hemophiliacs
hemorrhage
hemorrhaged
hemorrhages
hemorrhaging
hemorrhoids
harbor
harbored
harboring
harbors
harmonization
harmonize
harmonized
harmonizes
harmonizing
homeopath
homeopathic
homeopaths
homeopathy
homogenize
homogenized
homogenizes
homogenizing
honor
honorable
honorably
honored
honoring
honors
hospitalization
hospitalize
hospitalized
hospitalizes
hospitalizing
humanize
humanized
humanizes
humanizing
humor
humored
humoring
humorless
humors
hybridize
hybridized
hybridizes
hybridizing
hypnotize
hypnotized
hypnotizes
hypnotizing
hypothesize
hypothesized
hypothesizes
hypothesizing
idealization
idealize
idealized
idealizes
idealizing
idolize
idolized
idolizes
idolizing
immobilization
immobilize
immobilized
immobilizer
immobilizers
immobilizes
immobilizing
immortalize
immortalized
immortalizes
immortalizing
immunization
immunize
immunized
immunizes
immunizing
impaneled
impaneling
imperiled
imperiling
individualize
individualized
individualizes
individualizing
industrialize
industrialized
industrializes
industrializing
inflection
inflections
initialize
initialized
initializes
initializing
initialed
initialing
install
installment
installments
installs
instill
instills
institutionalization
institutionalize
institutionalized
institutionalizes
institutionalizing
intellectualize
intellectualized
intellectualizes
intellectualizing
internalization
internalize
internalized
internalizes
internalizing
internationalization
internationalize
internationalized
internationalizes
internationalizing
ionization
ionize
ionized
ionizer
ionizers
ionizes
ionizing
italicize
italicized
italicizes
italicizing
itemize
itemized
itemizes
itemizing
jeopardize
jeopardized
jeopardizes
jeopardizing
jeweled
jeweler
jewelers
jewelry
judgment
kilogram
kilograms
kilometer
kilometers
labeled
labeling
labor
labored
laborer
laborers
laboring
labors
lackluster
legalization
legalize
legalized
legalizes
legalizing
legitimize
legitimized
legitimizes
legitimizing
leukemia
leveled
leveler
levelers
leveling
libeled
libeling
libelous
liberalization
liberalize
liberalized
liberalizes
liberalizing
license
licensed
licenses
licensing
likable
lionization
lionize
lionized
lionizes
lionizing
liquidize
liquidized
liquidizer
liquidizers
liquidizes
liquidizing
liter
liters
localize
localized
localizes
localizing
louver
louvered
louvers
luster
magnetize
magnetized
magnetizes
magnetizing
maneuverability
maneuverable
maneuver
maneuvered
maneuvers
maneuvering
maneuverings
marginalization
marginalize
marginalized
marginalizes
marginalizing
marshaled
marshaling
marveled
marveling
marvelous
marvelously
materialization
materialize
materialized
materializes
materializing
maximization
maximize
maximized
maximizes
maximizing
meager
mechanization
mechanize
mechanized
mechanizes
mechanizing
medieval
memorialize
memorialized
memorializes
memorializing
memorize
memorized
memorizes
memorizing
mesmerize
mesmerized
mesmerizes
mesmerizing
metabolize
metabolized
metabolizes
metabolizing
meter
meters
micrometer
micrometers
militarize
militarized
militarizes
militarizing
milligram
milligrams
milliliter
milliliters
millimeter
millimeters
miniaturization
miniaturize
miniaturized
miniaturizes
miniaturizing
minibusses
minimize
minimized
minimizes
minimizing
misbehavior
misdemeanor
misdemeanors
misspelled
miter
miters
mobilization
mobilize
mobilized
mobilizes
mobilizing
modeled
modeler
modelers
modeling
modernize
modernized
modernizes
modernizing
moisturize
moisturized
moisturizer
moisturizers
moisturizes
moisturizing
monolog
monologs
monopolization
monopolize
monopolized
monopolizes
monopolizing
moralize
moralized
moralizes
moralizing
motorized
mold
molded
molder
moldered
moldering
molders
moldier
moldiest
molding
moldings
molds
moldy
molt
molted
molting
molts
mustache
mustached
mustaches
mustachioed
multicolored
nationalization
nationalizations
nationalize
nationalized
nationalizes
nationalizing
naturalization
naturalize
naturalized
naturalizes
naturalizing
neighbor
neighborhood
neighborhoods
neighboring
neighborliness
neighborly
neighbors
neutralization
neutralize
neutralized
neutralizes
neutralizing
normalization
normalize
normalized
normalizes
normalizing
odor
odorless
odors
esophagus
esophaguses
estrogen
offense
offenses
omelet
omelets
optimize
optimized
optimizes
optimizing
organization
organizational
organizations
organize
organized
organizer
organizers
organizes
organizing
orthopedic
orthopedics
ostracize
ostracized
ostracizes
ostracizing
outmaneuver
outmaneuvered
outmaneuvers
outmaneuvering
overemphasize
overemphasized
overemphasizes
overemphasizing
oxidization
oxidize
oxidized
oxidizes
oxidizing
pederast
pederasts
pediatric
pediatrician
pediatricians
pediatrics
pedophile
pedophiles
pedophilia
paleolithic
paleontologist
paleontologists
paleontology
paneled
paneling
panelist
panelists
paralyze
paralyzed
paralyzes
paralyzing
parceled
parceling
parlor
parlors
particularize
particularized
particularizes
particularizing
passivization
passivize
passivized
passivizes
passivizing
pasteurization
pasteurize
pasteurized
pasteurizes
pasteurizing
patronize
patronized
patronizes
patronizing
patronizingly
pedaled
pedaling
pedestrianization
pedestrianize
pedestrianized
pedestrianizes
pedestrianizing
penalize
penalized
penalizes
penalizing
penciled
penciling
personalize
personalized
personalizes
personalizing
pharmacopeia
pharmacopeias
philosophize
philosophized
philosophizes
philosophizing
filter
filters
phony
plagiarize
plagiarized
plagiarizes
plagiarizing
plow
plowed
plowing
plowman
plowmen
plows
plowshare
plowshares
polarization
polarize
polarized
polarizes
polarizing
politicization
politicize
politicized
politicizes
politicizing
popularization
popularize
popularized
popularizes
popularizing
pouf
poufs
practice
practiced
practices
practicing
presidium
presidiums
pressurization
pressurize
pressurized
pressurizes
pressurizing
pretense
pretenses
primeval
prioritization
prioritize
prioritized
prioritizes
prioritizing
privatization
privatizations
privatize
privatized
privatizes
privatizing
professionalization
professionalize
professionalized
professionalizes
professionalizing
program
programs
prolog
prologs
propagandize
propagandized
propagandizes
propagandizing
proselytize
proselytized
proselytizer
proselytizers
proselytizes
proselytizing
psychoanalyze
psychoanalyzed
psychoanalyzes
psychoanalyzing
publicize
publicized
publicizes
publicizing
pulverization
pulverize
pulverized
pulverizes
pulverizing
pummel
pummeled
pajama
pajamas
pizzazz
quarreled
quarreling
radicalize
radicalized
radicalizes
radicalizing
rancor
randomize
randomized
randomizes
randomizing
rationalization
rationalizations
rationalize
rationalized
rationalizes
rationalizing
raveled
raveling
realizable
realization
realizations
realize
realized
realizes
realizing
recognizable
recognizably
recognizance
recognize
recognized
recognizes
recognizing
reconnoiter
reconnoitered
reconnoiters
reconnoitering
refueled
refueling
regularization
regularize
regularized
regularizes
regularizing
remodeled
remodeling
remold
remolded
remolding
remolds
reorganization
reorganizations
reorganize
reorganized
reorganizes
reorganizing
reveled
reveler
revelers
reveling
revitalize
revitalized
revitalizes
revitalizing
revolutionize
revolutionized
revolutionizes
revolutionizing
rhapsodize
rhapsodized
rhapsodizes
rhapsodizing
rigor
rigors
ritualized
rivaled
rivaling
romanticize
romanticized
romanticizes
romanticizing
rumor
rumored
rumors
saber
sabers
saltpeter
sanitize
sanitized
sanitizes
sanitizing
satirize
satirized
satirizes
satirizing
savior
saviors
savor
savored
savories
savoring
savors
savory
scandalize
scandalized
scandalizes
scandalizing
skeptic
skeptical
skeptically
skepticism
skeptics
scepter
scepters
scrutinize
scrutinized
scrutinizes
scrutinizing
secularization
secularize
secularized
secularizes
secularizing
sensationalize
sensationalized
sensationalizes
sensationalizing
sensitize
sensitized
sensitizes
sensitizing
sentimentalize
sentimentalized
sentimentalizes
sentimentalizing
sepulcher
sepulchers
serialization
serializations
serialize
serialized
serializes
serializing
sermonize
sermonized
sermonizes
sermonizing
sheik
shoveled
shoveling
shriveled
shriveling
signalize
signalized
signalizes
signalizing
signaled
signaling
smolder
smoldered
smoldering
smolders
sniveled
sniveling
snorkeled
snorkeling
snowplow
snowplow
socialization
socialize
socialized
socializes
socializing
sodomize
sodomized
sodomizes
sodomizing
solemnize
solemnized
solemnizes
solemnizing
somber
specialization
specializations
specialize
specialized
specializes
specializing
specter
specters
spiraled
spiraling
splendor
splendors
squirreled
squirreling
stabilization
stabilize
stabilized
stabilizer
stabilizers
stabilizes
stabilizing
standardization
standardize
standardized
standardizes
standardizing
stenciled
stenciling
sterilization
sterilizations
sterilize
sterilized
sterilizer
sterilizers
sterilizes
sterilizing
stigmatization
stigmatize
stigmatized
stigmatizes
stigmatizing
story
stories
subsidization
subsidize
subsidized
subsidizer
subsidizers
subsidizes
subsidizing
succor
succored
succoring
succors
sulfate
sulfates
sulfide
sulfides
sulfur
sulfurous
summarize
summarized
summarizes
summarizing
swiveled
swiveling
symbolize
symbolized
symbolizes
symbolizing
sympathize
sympathized
sympathizer
sympathizers
sympathizes
sympathizing
synchronization
synchronize
synchronized
synchronizes
synchronizing
synthesize
synthesized
synthesizer
synthesizers
synthesizes
synthesizing
siphon
siphoned
siphoning
siphons
systematization
systematize
systematized
systematizes
systematizing
tantalize
tantalized
tantalizes
tantalizing
tantalizingly
tasseled
technicolor
temporize
temporized
temporizes
temporizing
tenderize
tenderized
tenderizes
tenderizing
terrorize
terrorized
terrorizes
terrorizing
theater
theatergoer
theatergoers
theaters
theorize
theorized
theorizes
theorizing
ton
tons
toweled
toweling
toxemia
tranquilize
tranquilized
tranquilizer
tranquilizers
tranquilizes
tranquilizing
tranquility
tranquilize
tranquilized
tranquilizer
tranquilizers
tranquilizes
tranquilizing
tranquility
transistorized
traumatize
traumatized
traumatizes
traumatizing
traveled
traveler
travelers
traveling
travelog
travelogs
trialed
trialing
tricolor
tricolors
trivialize
trivialized
trivializes
trivializing
tumor
tumors
tunneled
tunneling
tyrannize
tyrannized
tyrannizes
tyrannizing
tire
tires
unauthorized
uncivilized
underutilized
unequaled
unfavorable
unfavorably
unionization
unionize
unionized
unionizes
unionizing
unorganized
unraveled
unraveling
unrecognizable
unrecognized
unrivaled
unsavory
untrammeled
urbanization
urbanize
urbanized
urbanizes
urbanizing
utilizable
utilization
utilize
utilized
utilizes
utilizing
valor
vandalize
vandalized
vandalizes
vandalizing
vaporization
vaporize
vaporized
vaporizes
vaporizing
vapor
vapors
verbalize
verbalized
verbalizes
verbalizing
victimization
victimize
victimized
victimizes
victimizing
videodisk
videodisks
vigor
visualization
visualizations
visualize
visualized
visualizes
visualizing
vocalization
vocalizations
vocalize
vocalized
vocalizes
vocalizing
vulcanized
vulgarization
vulgarize
vulgarized
vulgarizes
vulgarizing
wagon
wagons
watercolor
watercolors
weaseled
weaseling
westernization
westernize
westernized
westernizes
westernizing
womanize
womanized
womanizer
womanizers
womanizes
womanizing
woolen
woolens
woolies
wooly
worshiped
worshiping
worshiper
yodeled
yodeling
yogurt
yogurts
yogurt
yogurts