The ball used in a game of footy.
A football fan.
Football (association football) (soccer in US, Canada, Australia, New Zealand)
The game or sport of football, usually Australian rules football or rugby league, but not soccer
A short sock.
The ball used to play such a game.
Any of the sports that are called football but are played mainly with the hands and with a prolate spheroid ball; that is, American football and (less often) Canadian and Australian football.