I agree two and even our english teacher Alan is still not sure about the english language
Spellings
British English vs American English
colour -color
humour -humor
favourite -favorite
theatre- theater
kilometre -kilometer
mum, mam or mom * -mom
cosy -cozy
realise -realize
dialogue -dialog
traveller -traveler
cheque -check
jewellery -jewelry
tyre -tire
that's why they always said nobody is perfect in english.
