ageing: aging
artefact: artifact
broadcasted: broadcast
carburettor: carburetor
catalog: catalogue
clean - up: cleanup
defense: defence
defenseless: defenceless
dialog: dialogue
diarrhoea: diarrhea
eon: aeon
epilog: epilogue
gonorrhoea: gonorrhea
homolog: homologue
kerb: curb
license: licence
liquorice: licorice
make - up: makeup
maneuver: manoeuvre
molt: moult
monolog: monologue
oestrogen: estrogen
offense: offence
omelet: omelette
percent: per cent
percents: per cent
pickpocketer: pickpocket
pickpocketers: pickpockets
plough: plow
pretense: pretence
prolog: prologue
rubbish bin: garbage can | garbage bin | trash can
rubbish: garbage | trash
sceptic: skeptic
sceptical: skeptical
scepticism: skepticism
snowplough: snowplow
titbit: tidbit