shooter vs athletics

shooter and athletics both are nouns.

Word	Noun	Adjective	Verb	Adverb
shooter	Yes	No	No	No
athletics	Yes	No	No	No

shooter (noun)	athletics (noun)
a large marble used for shooting in the game of marbles	an active diversion requiring physical exertion and competition
a person who shoots (usually with respect to their ability to shoot)	participation in sports events as an extracurricular activity
a professional killer who uses a gun	a contest between athletes
(sports) a player who drives or kicks a ball at the goal (or a basketball player who shoots at the basket)
a gambler who throws dice in the game of craps