What I find very interesting about this discussion is that some of the words objected to by Brits as Americanisms are words that Americans would consider British! For example, "out of bounds" has been used here at least as long as there has been football, but "off limits" came home with American GIs after WW2.   Another is, as I mentioned above, that both sides claim "playground" and appear to say that "schoolyard" belongs across the pond.   Oh - that's another. Who owns "across the pond"? I grew up saying "overseas.