climb vs mountaineering

climb and mountaineering both are nouns.

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

As nouns, mountaineering is a hyponym of climb; that is, mountaineering is a word with a more specific, narrower meaning than climb:

Other hyponyms of climb include scaling, clamber, mountain climbing, rock climbing.

climb (noun)	mountaineering (noun)
the act of climbing something	the activity of climbing a mountain
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)

climb (verb)	mountaineering (verb)
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