athletics vs handler

athletics and handler both are nouns.

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

athletics (noun)	handler (noun)
an active diversion requiring physical exertion and competition	(sports) someone in charge of training an athlete or a team
participation in sports events as an extracurricular activity	one who trains or exhibits animals
a contest between athletes	an agent who handles something or someone