coach vs athletics

coach and athletics both are nouns.

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

coach (noun)	athletics (noun)
a carriage pulled by four horses with one driver	an active diversion requiring physical exertion and competition
a railcar where passengers ride	participation in sports events as an extracurricular activity
a vehicle carrying many passengers; used for public transport	a contest between athletes
a person who gives private instruction (as in singing, acting, etc.)
(sports) someone in charge of training an athlete or a team

coach (verb)	athletics (verb)
teach and supervise (someone); act as a trainer or coach (to), as in sports
drive or operate a coach or carriage