Americans call it soccer because the word started in England as a nickname for association football , and the U.S. kept that term after football became attached to American football. In other words, “soccer” is the older British shorthand, not an American invention.

Why the name stuck

In the late 1800s, English speakers used slang like “rugger” for rugby and “soccer” for association football. As American football grew in the U.S., “football” shifted there to mean the American game, so “soccer” remained the clearest label for the other sport.

The simple version

  • England: association football eventually became just “football.”
  • United States: “football” came to mean American football, so “soccer” was the practical word for association football.
  • Result: the same sport has two common names depending on the country.

One easy example

If someone in the U.S. says “football,” most people think of the NFL. If someone in the U.K. says “football,” they mean the sport Americans call soccer.

TL;DR: Americans say “soccer” because the term came from Britain, and it stayed useful in the U.S. to avoid confusion with American football.