What kind of noun is football?

"Football" can be both a common noun and a collective noun, depending on the context.

* Common noun: When referring to the sport itself, "football" is a common noun. It describes a general type of game.

* Example: "He loves playing football."

* Collective noun: When referring to a group of players, "football" can act as a collective noun. It represents a whole unit made up of individuals.

* Example: "The football team won the championship."

So, the type of noun "football" is depends on how it is used in the sentence.