umpire vs athletics

umpire and athletics both are nouns.

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

umpire (noun)	athletics (noun)
an official at a baseball game	an active diversion requiring physical exertion and competition
someone chosen to judge and decide a disputed issue	participation in sports events as an extracurricular activity
	a contest between athletes

umpire (verb)	athletics (verb)
be a referee or umpire in a sports competition