mountaineer vs climb

mountaineer and climb both are nouns.

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

As verbs, climb is a hypernym of mountaineer; that is, climb is a word with a broader meaning than mountaineer:

Other hypernyms of mountaineer include climb up, go up, mount.

mountaineer (noun)	climb (noun)
someone who climbs mountains	the act of climbing something
	an event that involves rising to a higher point (as in altitude or temperature or intensity etc.)
	an upward slope or grade (as in a road)

mountaineer (verb)	climb (verb)
climb mountains for pleasure as a sport	go up or advance
	increase in value or to a higher point
	improve one's social status
	go upward with gradual or continuous progress
	move with effort, by grasping
	slope upward