The U.S./U.K. Special relationship - Part 2: spelling

This submission is a response to an existing submission: 
Entry: 

As well as paper size, the U.S. and U.K. differ in standard spellings. These are all of them. Convertible/Convertable (discrepancies found between the exhibit and our replica car) are not among them.

Accessorise / accessorize
acclimatise / acclimatize
accoutrements / accouterments
aeon / eon
aerogramme / aerogram
aesthetics / esthetics
aetiology / etiology
ageing / aging
aggrandisement / aggrandizement
agonise / agonize
almanack / almanac
aluminium / aluminum
amortise / amortize
amphitheatre / amphitheater
anaemia / anemia
anaesthetic / anesthetic
analogue / analog
analyse / analyze
anglicise / anglicize
annualised / annualized
antagonise / antagonize
apologise / apologize
appal / appall
appetiser / appetizer
arbour / arbor
archaeological / archeological
ardour/ ardor
armour/ armor
artefact / artifact
authorise / authorize
axe / ax
backpedalled / backpedaled
bannister / banister
baptise / baptize
bastardise / bastardize
battleaxe / battleax
baulk / balk
bedevilled / bedeviled
behaviour / behavior
behoved / behooved
bejewelled / bejeweled
belabour / belabor
bevelled / beveled
bevvies / bevies
biassed / biased
bingeing / binging
bougainvillaea / bougainvillea
bowdlerise / bowdlerize
breathalyse / breathalyze
brutalise / brutalize
buses / busses
caesarean / cesarean
calibre / caliber
calliper / caliper
callisthenics / calisthenics
canalised / canalized
cancellation / cancelation
candour / candor
cannibalise / cannibalize
canonise / canonize
capitalise / capitalize
caramelise / caramelize
carbonise / carbonize
carolling / caroling
catalogues / catalogs
catalyse / catalyze
categorise / categorize
cavilled / caviled
centigramme / centigram
centilitre / centilitre
centimetre / centimeter
centralise / centralize
centrefold / centerfold
channelling / chaneling
characterise / characterize
chequebook / checkbook
chequered / checkered
chilli / chili
chimaera / chimera
chiselled / chiseled
circularise / circularize
civilise / civilize
clamour / clamor
clangour / clangor
clarinettist / clarinetist
collectivise / collectivize
coloniser / colonizer
colour / color
colourful / colorful
colourless / colorless
commercialised / commercialized
compartmentalise / compartmentalize
computerise / computerize
conceptualise / conceptualize
connexion / connection
contextualised / contextualized
cosier / cozier
cosiest / coziest
councillor / councilor
counselling / counseling
crenellated / crenelated
criminalising / criminalizing
criticise / criticize
crueller / crueler
crystallise / crystalize
cudgelled / cudgeled
customising / customizing
cipher / cipher
decentralise / decentralize
decriminalise / decriminalize
defenceless / defenseless
dehumanise / dehumanize
demeanour / demeanor
demilitarise / demilitarize
demobilisation / demobilization
democratise / democratize
demonise / demonize
demoralise / demoralize
denationalise / denationalize
deodorise / deodorize
depersonalise / depersonalize
deputise / deputize
desensitise / desensitize
destabilise / destabilize
dialling / dialing
dialogue / dialog
diarrhoea / diarrhea
digitise / digitize
digitising / digitizing
disc / disc
discoloured / discolored
disembowelled / disemboweled
disfavour / disfavor
dishevelled / disheveled
dishonour / dishonor
disorganised / disorganized
distill / distil
dramatisation / dramatization
draught / draft
draughtier / draftier
draughtiest / draftiest
draughtsman / draftsman
draughty / drafty
drivelling/ driveling
duelled / dueled
economise / economize
edoema / edema
editorialise / editorialize
empathise / empathize
emphasise / emphasize
enamelled / enameled
enamoured / enamored
encyclopaedia / encyclopedia
endeavour / endeavor
energise / energize
enrol / enroll
enthral / enthrall
epaulette / epaulet
epicentre / epicenter
epilogue / epilog
epitomise / epitomize
equalise / equalize
eulogise / eulogize
evangelise / evangelize
exorcise / exorcize
extemporise / extemporize
externalise / externalize
factorise / factorize
faeces / feces
familiarise / familiarize
fantasise / fantasize
favour / favor
favouritism / favoritism
feminised / feminized
fertilised / fertilized
fervour / fervor
fibre / fiber
fictionalise / fictionalize
filleted / fileted
finalise / finalize
flautist / flutist
flavouring / flavoring
foetal / fetal
foetus / fetus
formalise / formalize
fossilise / fossilize
fraternise / fraternize
fulfil / fulfill
funnelled / funneled
galvanise / galvanize
gambolling / gamboling
gaolbird / jailbird
gaolbreak / jailbreak
gaoling / jailing
gases / gasses
gauge / gage
generalise / generalize
ghettoise / ghettoize
gipsies / gypsies
glamorise / glamorize
globalise / globalize
glueing / gluing
goitre / goiter
gonorrhoea / gonorrhea
grammes / grams
gravelled / graveled
grey / gray
grovelled / groveled
groyne / groin
gruelling / grueling
gryphon / griffin
gynaecological / gynecological
haematology / hematology
haemoglobin / hemoglobin
haemophilia / hemophilia
haemorrhage / hemorrhage
haemorrhoids / hemorrhoids
harbour / harbor
harmonise / harmonize
homoeopath / homeopath
homogenise / homogenize
honour / honor
hospitalise / hospitalize
humanise / humanize
humourless / humorless
hybridise / hybridize
hypnotise / hypnotize
hypothesise / hypothesize
idealise / idealize
idolise / idolize
immobilise / immobilize
immortalise / immortalize
immunise / immunize
impanelled / impaneled
imperilled / imperiled
individualise / individualize
industrialise / industrialize
inflexion / inflection
initialled / initialed
instal / install
instil / instill
institutionalise / institutionalize
intellectualise / intellectualize
internalise / internalize
internationalise / internationalize
ionise / ionize
italicise / italicize
itemise / itemize
jeopardise / jeopardize
jeweller / jeweler
judgement / judgment
kilogramme / kilogram
kilometre / kilometer
labelling / labeling
labourer / laborer
lacklustre / lackluster
legalise / legalize
legitimise / legitimize
leukaemia / leukemia
levelled / leveled
libelling / libeling
liberalise / liberalize
liberalised / liberalized
licence / license
lionise / lionize
liquidise / liquidize
litre / liter
localise / localize
louvre / louver
lustre / luster
magnetise / magnetize
manoeuvre / maneuver
marginalise / marginalize
marshalled / marshaled
marvellous / marvelous
materialise / materialize
maximise / maximize
meagre / meager
mechanise / mechanize
mediaeval / medieval
memorialise / memorialize
memorise / memorize
mesmerise / mesmerize
metabolise / metabolize
metre / meter
micrometre / micrometer
militarise / militarize
milligramme / milligram
millilitre / milliliter
millimetres / millimeters
miniaturise / miniaturize
minibuses / minibusses
minimise / minimize
misbehaviour / misbehavior
misdemeanour / misdemeanor
mitre / miter
mobilise / mobilize
modelling / modeling
modernise / modernize
moisturise / moisturize
monologue / monolog
monopolise / monopolize
moralise / moralize
motorised / motorized
mould / mold
mouldiest / moldiest
moult / molt
moustache / mustache
nationalise / nationalize
naturalise / naturalize
neighbour / neighbor
neutralise / neutralize
normalise / normalize
odourless / odorless
oesophagus / esophagus
oestrogen / estrogen
offence / offense
omelette / omelet
optimise / optimize
organise / organize
orthopaedic / orthopedic
ostracise / ostracize
outmanoeuvre / outmaneuver
overemphasise / overemphasize
oxidise / oxidize
paederast / pederast
paediatric / pediatric
paedophile / pedophile
Palaeolithic / paleolithic
palaeontology / paleontology
panelled / paneled
paralyse / paralyze
parcelled / parceled
parlour / parlor
particularise / particularize
passivise / passivize
pasteurise / pasteurize
patronise / patronize
pedalled / pedaled
pedestrianise / pedestrianize
penalise / penalize
pencilled / penciled
personalise / personalize
pharmacopoeia / pharmacopeia
philosophise / philosophize
philtre / filter
plagiarise / plagiarize
plough / plow
polarise / polarize
politicise / politicize
popularise / popularize
pouffe / pouf
practise / practice
praesidium / presidium
pressurise / pressurize
pretence / pretense
primaeval / primeval
prioritise / prioritize
privatise / privatize
professionalise / professionalize
programme / program
prologue / prolog
propagandise / propagandize
proselytise / proselytize
psychoanalyse / psychoanalyze
publicise / publicize
pulverise / pulverize
pummelled / pummeled
pyjamas / pajamas
pzazz / pizzazz
quarrelling / quarreling
radicalising / radicalizing
rancour / rancor
randomise / randomize
rationalise / rationalize
ravelling / raveling
realise / realize
recognise / recognize
reconnoitre / reconnoiter
refuelling / refueling
regularise / regularize
remoulding / remolding
reorganise / reorganize
revelling / reveling
revitalise / revitalize
revolutionise / revolutionize
rhapsodise / rhapsodize
rigour / rigor
ritualised / ritualized
rivalling / rivaling
romanticise / romanticize
rumour / rumor
sabre / saber
sanitise / sanitize
satirise / satirize
saviour / savior
savour / savor
savouries / savories
scandalised / scandalized
sceptical / skeptical
sceptre / scepter
scrutinise / scrutinize
secularise / secularize
sensationalise / sensationalize
sensitise / sensitize
sentimentalise / sentimentalize
sepulchre / sepulcher
serialise / serialize
sermonise / sermonize
shovelling / shoveling
shrivelling / shriveling
signalise / signalize
signalled / signaled
smoulder / smolder
snivelling / sniveling
snorkelling / snorkeling
snowplough / snowplow
socialise / socialize
sodomise / sodomize
solemnise / solemnize
sombre / somber
specialise / specialize
spectre / specter
spiralling / spiraling
splendour / splendor
squirrelled / squirreled
stabilise / stabilize
standardise / standardize
stencilled / stenciled
sterilised / sterilized
stigmatised / stigmatized
storey / story
subsidised / subsidized
succouring / succoring
sulphate / sulfate
sulphide / sulfide
sulphur / sulfur
summarise / summarize
swivelling / swiveling
symbolise / symbolize
sympathise / sympathize
synchronise / synchronize
synthesise / synthesize
syphoning / siphoning
systematising / systematizing
tantalising / tantalizing
tasselled / tasseled
technicolour / technicolor
temporise / temporize
tenderise / tenderize
terrorise / terrorize
theatre / theater
theorise / theorize
tonne / ton
towelled / toweled
toxaemia / toxemia
tranquillity / tranquility
tranquillizers / tranquilizers
traumatise / traumatize
traveller / traveler
travelogue / travelog
trialling / trialing
tumour / tumor
tunnelling / tunneling
tyrannised / tyrannized
unauthorised / unauthorized
uncivilised / uncivilized
underutilised / underutilized
unequalled / unequaled
unfavourable / unfavorable
unionise / unionize
unorganised / unorganized
unravelling / unraveling
unrecognised / unrecognized
unrivalled / unrivaled
unsavoury / unsavory
untrammelled / untrammeled
urbanise / urbanize
utilise / utilize
vandalise / vandalize
vaporise / vaporize
verbalise / verbalize
victimise / victimize
videodisc / videodisk
visualise / visualize
vocalise / vocalize
vulcanised / vulcanized
vulgarise / vulgarize
waggon / wagon
watercolour / watercolor
weaselled / weaseled
westernise / westernize
womanise / womanize
woollen / woolen
yodelling / yodeling
yoghurt / yogurt

Source: Tysto, "an online magazine of analysis, opinion, editoria, satire, ephemera, and miscellany that attempts to put events and phenomena in perspective with quiet determination". http://www.tysto.com/