User:Ohconfucius/U.S. Spelling versus British and Canadian Spellings
| U.S. | British | Canadian | Canadian (alt) |
| acknowledgment | acknowledgement | acknowledgement | |
| aging | ageing | aging | |
| airplane | aeroplane | airplane | |
| aluminum | aluminium | aluminum | |
| amortize | amortise | amortize | |
| amphitheater | amphitheatre | amphitheatre | |
| analog | analogue | analogue | |
| analyze | analyse | analyze | |
| anemia | anaemia | anemia | |
| anemic | anaemic | anemic | |
| anesthesia | anaesthesia | anaesthesia | |
| anesthetic | anaesthetic | anaesthetic | |
| apnea | apnoea | apnea | |
| apologize | apologise | apologize | |
| appall | appal | appall | |
| appetizer | appetiser | appetizer | |
| arbor | arbour | arbour | |
| archeology | archaeology | archaeology | |
| ardor | ardour | ardour | |
| armor | armour | armour | |
| armory | armoury | armoury | |
| artifact | artefact | artifact | |
| authorize | authorise | authorize | |
| ax | axe | axe | |
| bandanna | bandanna | bandana | |
| baptize | baptise | baptize | |
| barreled | barrelled | barrelled | |
| barreling | barrelling | barrelling | |
| behavior | behaviour | behaviour | |
| behoove | behove | behoove | |
| belabor | belabour | belabour | |
| Breathalyzer | Breathalyser | Breathalyzer | |
| burned | burnt | burned | |
| bused | bussed | bused | |
| busing | bussing | busing | |
| caldron | cauldron | cauldron | |
| caliber | calibre | calibre | |
| canceled | cancelled | cancelled | |
| canceling | cancelling | cancelling | |
| candor | candour | candour | |
| capitalize | capitalise | capitalize | |
| caramelize | caramelise | caramelize | |
| carburetor | carburettor | carburetor | |
| catalog | catalogue | catalogue | |
| catalyze | catalyse | catalyze | |
| categorize | categorise | categorize | |
| cauterize | cauterise | cauterize | |
| center | centre | centre | |
| centering | centring | centring | |
| centimeter | centimetre | centimetre | |
| centralize | centralise | centralize | |
| Cesarean | Caesarean | Caesarian | |
| characterize | characterise | characterize | |
| check | cheque | cheque | |
| checkered | chequered | checkered | |
| chili | chilli | chili | |
| civilization | civilisation | civilization | |
| civilize | civilise | civilize | |
| clamor | clamour | clamour | |
| collectible | collectable | collectible | |
| colonize | colonise | colonize | |
| color | colour | colour | |
| commercialize | commercialise | commercialize | |
| computerize | computerise | computerize | |
| convener | convenor | convenor | |
| costumer | costumier | costumer | |
| councilor | councillor | councillor | |
| counseled | counselled | counselled | |
| counseling | counselling | counselling | |
| counselor | counsellor | counsellor | |
| cozy | cosy | cozy | |
| criticize | criticise | criticize | |
| crystallization | crystallisation | crystallization | |
| crystallize | crystallise | crystallize | |
| curb | kerb | curb | |
| customize | customise | customize | |
| defense | defence | defence | |
| demeanor | demeanour | demeanour | |
| dependent | dependant | dependant | |
| diarrhea | diarrhoea | diarrhea | |
| dietician | dietician | dietitian | |
| digitize | digitise | digitize | |
| disheveled | dishevelled | dishevelled | |
| dolor | dolour | dolour | |
| donut | doughnut | doughnut | |
| dreamed | dreamt | dreamt | |
| dueled | duelled | dueled | |
| dueling | duelling | duelling | |
| edema | oedema | edema | |
| empathize | empathise | empathize | |
| emphasize | emphasise | emphasize | |
| enamor | enamour | enamour | |
| endeavor | endeavour | endeavour | |
| enroll | enrol | enrol | |
| enrollment | enrolment | enrolment | |
| enthrall | enthral | enthrall | |
| enthrallment | enthralment | enthrallment | |
| eon | aeon | eon | |
| epicenter | epicentre | epicentre | |
| equaled | equalled | equalled | |
| equaling | equalling | equalling | |
| equalization | equalisation | equalization | |
| equalize | equalise | equalize | |
| esophagus | oesophagus | esophagus | |
| estrogen | oestrogen | estrogen | |
| familiarize | familiarise | familiarize | |
| favor | favour | favour | |
| hemophilia | haemophilia | hemophilia | |
| hemorrhage | haemorrhage | hemorrhage | |
| honor | honour | honour | |
| honorable | honourable | honourable | |
| honored | honoured | honoured | |
| honoring | honouring | honouring | |
| hospitalize | hospitalise | hospitalize | |
| humor | humour | humour | |
| hyperglycemia | hyperglycaemia | hyperglycemia | |
| hypnotize | hypnotise | hypnotize | |
| hypoglycemia | hypoglycaemia | hypoglycemia | |
| hypothesize | hypothesise | hypothesize | |
| idolize | idolise | idolize | |
| immortalize | immortalise | immortalize | |
| immunization | immunisation | immunization | |
| immunize | immunise | immunize | |
| industrialization | industrialisation | industrialization | |
| industrialize | industrialise | industrialize | |
| initialize | initialise | initialize | |
| inquiry | enquiry | inquiry | |
| installment | instalment | instalment* | installment |
| institutionalize | institutionalise | institutionalize | |
| ionize | ionise | ionize | |
| jail | gaol | jail | |
| jeweled | jewelled | jewelled | |
| jeweler | jeweller | jeweller | |
| jewelry | jewellery | jewellery* | jewelry |
| judgment | judgement | judgement | |
| labeled | labelled | labelled | |
| labeling | labelling | labelling | |
| labor | labour | labour | |
| laborer | labourer | labourer | |
| lasagna | lasagne | lasagna | |
| leaned | leant | leaned | |
| learned | learnt | learned | |
| legalize | legalise | legalize | |
| leukemia | leukaemia | leukemia | |
| leveled | levelled | levelled | |
| leveling | levelling | levelling | |
| libeled | libelled | libelled | |
| libeler | libeller | libeller | |
| libelous | libellous | libellous | |
| license | (noun)licence | licence | |
| licorice | liquorice | licorice | |
| liter | litre | litre | |
| louver | louvre | louvre | |
| louvered | louvred | louvred | |
| luster | lustre | lustre | |
| maneuver | manoeuvre | manoeuvre | |
| marveled | marvelled | marvelled | |
| marveling | marvelling | marvelling | |
| marvelous | marvellous | marvellous | |
| math | maths | math | |
| maximize | maximise | maximize | |
| meager | meagre | meagre | |
| memorialize | memorialise | memorialize | |
| memorize | memorise | memorize | |
| mesmerize | mesmerise | mesmerize | |
| meter | metre | metre | |
| militarize | militarise | militarize | |
| miniaturization | miniaturisation | miniaturization | |
| miniaturize | miniaturise | miniaturize | |
| minimize | minimise | minimize | |
| misdemeanor | misdemeanour | misdemeanour | |
| miter | mitre | mitre | |
| mobilize | mobilise | mobilize | |
| modeled | modelled | modelled | |
| modeling | modelling | modelling | |
| mold | mould | mould | |
| molder | moulder | moulder | |
| mollusk | mollusc | mollusc | |
| molt | moult | moult | |
| mustache | moustache | moustache | |
| naïveté | naivety | naïveté | |
| neighbor | neighbour | neighbour | |
| neighborhood | neighbourhood | neighbourhood | |
| neutralize | neutralise | neutralize | |
| ocher | ochre | ochre | |
| odor | odour | odour | |
| offense | offence | offence | |
| omelet | omelette | omelette | |
| optimization | optimisation | optimization | |
| optimize | optimise | optimize | |
| organization | organisation | organization | |
| organize | organise | organize | |
| orient | orientate | orient | |
| oriented | orientated | oriented | |
| orthopedic | orthopaedic | orthopaedic | |
| oxidize | oxidise | oxidize | |
| pajamas | pyjamas | pyjamas | |
| Paleocene | Palaeocene | Paleocene | |
| paneled | panelled | panelled | |
| paralleled | parallelled | paralleled | |
| paralleling | parallelling | paralleling | |
| paralyze | paralyse | paralyze* | paralyse |
| parlor | parlour | parlour | |
| pasteurize | pasteurise | pasteurize | |
| pediatrics | paediatrics | pediatrics | |
| pedophile | paedophile | pedophile | |
| penalization | penalisation | penalization | |
| penalize | penalise | penalize | |
| personalize | personalise | personalize | |
| philosophize | philosophise | philosophize | |
| plagiarize | plagiarise | plagiarize | |
| plow | plough | plow | |
| polarize | polarise | polarize | |
| practice | (verb)practise | practise | |
| pretense | pretence | pretense | |
| prioritize | prioritise | prioritize | |
| privatize | privatise | privatize | |
| program | programme | program | |
| pulverize | pulverise | pulverize | |
| pummeled | pummelled | pummelled | |
| pummeling | pummelling | pummelling | |
| rancor | rancour | rancour | |
| realize | realise | realize | |
| recognize | recognise | recognize | |
| repellent | repellant | repellent | |
| reveled | revelled | revelled | |
| reveler | reveller | reveller | |
| reveling | revelling | revelling | |
| rigor | rigour | rigour | |
| rumor | rumour | rumour | |
| saber | sabre | sabre | |
| sanitization | sanitisation | sanitization | |
| sanitize | sanitise | sanitize | |
| sapor | sapour | sapour | |
| savior | saviour | saviour | |
| savor | savour | savour | |
| savory | savoury | savoury | |
| scepter | sceptre | sceptre | |
| scrutinize | scrutinise | scrutinize | |
| sensationalize | sensationalise | sensationalize | |
| shriveled | shrivelled | shrivelled | |
| shriveling | shrivelling | shrivelling | |
| signaled | signalled | signalled | |
| signaler | signaller | signaller | |
| signaling | signalling | signalling | |
| skeptic | sceptic | sceptic | |
| skeptical | sceptical | sceptical | |
| skillful | skilful | skilful | |
| smelled | smelt | smelled | |
| smolder | smoulder | smoulder | |
| snorkeled | snorkelled | snorkelled | |
| snorkeling | snorkelling | snorkelling | |
| somber | sombre | sombre | |
| specialize | specialise | specialize | |
| specialty | speciality | specialty | |
| specter | spectre | spectre | |
| spiraled | spiralled | spiralled | |
| spiraling | spiralling | spiralling | |
| splendor | splendour | splendour | |
| stabilize | stabilise | stabilize | |
| standardization | standardisation | standardization | |
| standardize | standardise | standardize | |
| sterilize | sterilise | sterilize | |
| stylize | stylise | stylize | |
| succor | succour | succour | |
| sulfur | sulphur | sulphur | |
| summarize | summarise | summarize | |
| symbolize | symbolise | symbolize | |
| synthesize | synthesise | synthesize | |
| systemize | systemise | systemize | |
| theater | theatre | theatre | |
| tidbit | titbit | tidbit | |
| tire | (noun)tyre | tire | |
| ton | tonne | tonne | |
| totaled | totalled | totalled | |
| totaling | totalling | totalling | |
| toward | towards | toward | |
| tranquility | tranquillity | tranquillity | |
| tranquilize | tranquillise | tranquillize | |
| tranquilized | tranquillised | tranquillized | |
| tranquilizer | tranquilliser | tranquillizer | |
| tranquilizing | tranquillising | tranquillizing | |
| traveled | travelled | travelled | |
| traveler | traveller | traveller | |
| traveling | travelling | travelling | |
| triple | treble | triple | |
| tumor | tumour | tumour | |
| tunneled | tunnelled | tunnelled | |
| tunneler | tunneller | tunneller | |
| tunneling | tunnelling | tunnelling | |
| unionize | unionise | unionize | |
| utilize | utilise | utilize | |
| valor | valour | valour | |
| vapor | vapour | vapour | |
| vaporer | vapourer | vapourer | |
| vaporization | vaporisation | vaporization | |
| vaporize | vaporise | vaporize | |
| vaporizer | vaporiser | vaporizer | |
| vigor | vigour | vigour | |
| vise | vice | vice | |
| visualize | visualise | visualize | |
| willful | wilful | wilful | |
| willfully | wilfully | wilfully | |
| willfulness | wilfulness | wilfulness | |
| woolen | woollen | woollen | |
| yodeled | yodelled | yodelled | |
| yodeling | yodelling | yodelling | |
| yogurt | yoghurt | yogurt |