Futball is the original name for the sport, "Soccer".
A team sport played between two teams of eleven players, and is widely considered to be the most popular sport in the world. It is played on a rectangular grass or artificial turf field, with a goal at each of the short ends. The object of the game is to score by maneuvering the ball into the opposing goal.
American: Hey wanna go play some soccer with us?
Brazillian: What is that?
American: Oh yeah, I forgot, it's the same as the sport in your country called "Futball".
Brazillian: Oh! Sure! I love that sport!