In many countries, soccer is football. The name “soccer” is unheard of, and one will be looked upon as if one is speaking a Chinese dialect if one uses the word “soccer.” Folks won’t know what you are talking about.
U.S. football is referred to as “American football” to distinguish it from “real” football.
I didn’t invent this so don’t take offense.
REAL'muricans know what football is, and it ain't soccer.
Do you know what that buzzing sound is I hear in the stadium? It sounds like a million bees.