Going to both England and Australia I had to learn a whole new English!
Kip = short nap
Tip = garbage dump
Carrier bag = plastic grocery bag
Boot = trunk of the car
The CTC group I rode with in England thought it was hilariously funny when I talked about wearing booties on my feet ... they called them "overshoes".
And when I landed in the Heathrow airport, the first thing I wanted to do was to urinate, but do you think I could communicate the name of the room I wanted for that purpose? It's not a bathroom. It's not a washroom. It's not a restroom. It's not a lavatory. It's not even a WC!! Finally in desperation I tried "toilet" ... and got the results I was after.