There are 62 common words that Canadians and Americans usually spell differently. They are (Canadian spellings shown):
acknowledgement
ageing
aesthetics
analogue
behaviour
calibre
cancelled
candour
catalogue
centre
cheque
clamour
colour
convenor
counsellor
defence
dialogue
endeavour
enquiry
enrol
favour
favourite
fibre
flavour
fulfil
gauge
glamour
grey
harbour
honour
humour
jewellery
judgement
labour
licence (noun)
litre
lustre
manoeuvre
marvellous
meagre
metre (kilometre etc.)
mould
moustache
neighbour
odour
offence
parlour
pleaded (not pled)
plough
pyjamas
rancour
rigour
rumour
savour
saviour
sceptic, sceptical
sulphur
theatre
tumour
valour
vapour
vigour
