

Hmmm there are quite a few of these… Ok these are UK/us mostly.
America: fanny - backside
UK: fanny - the other side (!)
America: rubber - condom
UK: rubber - something you use to erase pencil marks.
UK and others: Durex - Condom brand
Others: Durex - sticky tape
US: Suspenders - things for holding trousers up
UK: Suspenders - things for holding stockings up. Used with a suspender belt and with, or without, other underwear…
USA: Pants - leg coverings e.g. blue jeans
Most of the UK: Pants - things you wear under your blue jeans (unless ”going commando”)
Pre 1850s, in most cases, you needed to have lots of offspring regardless of wanting them or not… Mortality was high.