English/English

British English: voucher
Canadian English: coupon

British: disabled
Canadian: handicapped

British: queue
Canadian: line up

British: boiled rice
Canadian: steamed rice

British: jiffy bag
Canadian: padded envelope

British: Bag
Canadian: Purse (and bag)

British: Purse
Canadian: Wallet

Karine (holding up her little wallet): what do you call this?
Karine's roommate Hannah: "A wallet."
Me (holding up a slightly bigger wallet): What do you call this?
Hannah: "A purse."
Me: "AAARGH!"