I thought I knew English but apparently not. Here are some things I’ve learned so far.
(I’ll keep adding words as I hear them.)
AMERICAN/BRITISH
Cotton Candy/Candy Floss
French Fries/Chips
Arugula/Rocket
Tan (skin)/Brown
Sneakers/Trainers
Mailbox/Pigeon Hole
Cough Drop/Throat Sweets
Cash Register/Till
Leash/Lead
Tire/Tyre
Flashlight/Torch
McDonalds/MacDonalds
Portapotty/Portaloo
Ornament/Baubble
Mr. Clean/Mr. Muscle
A Hop, Skip & Jump Over The Pond 
Re: lettuce/rocket…it’s actually arugula that they’re referring to when they say rocket! definitely not a substitution for iceberg!
Have you heard the UK pronunciation of urinal yet? CRACKS ME UP!!!
I haven’t heard the pronunciation of urinal yet….might have to ask someone to say it. =)