athletics vs mountaineer

athletics and mountaineer both are nouns.

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

athletics (noun)	mountaineer (noun)
an active diversion requiring physical exertion and competition	someone who climbs mountains
participation in sports events as an extracurricular activity
a contest between athletes

athletics (verb)	mountaineer (verb)
	climb mountains for pleasure as a sport