English, Americanisms, Australian

American flag.

British English - Other 

biscuit (UK) - cookie (USA)

cubicle (UK) - stall (USA)

jelly (UK) - Jello (USA brand name)

my mistake (UK) - my bad (USA)

shopping trolley (UK) - shopping cart (USA)

pants (UK) - underpants (USA)

spare room (UK) - guest suite (US)

Sweets (UK) - candies (USA)

tap (UK) - Faucet (USA)

toilet (UK) - restroom (USA)

trousers (UK) - pants (USA)

wash basin (UK) - bathroom sink (USA)

washing up liquid (UK) - dish soap (USA)

Useful Websites

I have several posts on Americanisms