As a proper noun athletics
is (baseball) the team , previously kansas city athletics and philadelphia athletics.
As a noun basketball is
Physical activities such as sports and games requiring stamina, fitness and skill.
A group of sporting activities which includes track and field, road running, cross country running and racewalking.
(sports, uncountable) A sport in which two opposing teams of five players strive to put a ball through a hoop.
(basketball, countable) The particular kind of ball used in the sport of basketball.
* (sport) hoops (US slang)
* basketball player