handler vs athletics

handler and athletics both are nouns.

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

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