climb up vs escalade

climb up is not a noun while escalade is a noun.

Word	Noun	Adjective	Verb	Adverb
climb up	No	No	Yes	No
escalade	Yes	No	Yes	No

As verbs, escalade is a hyponym of climb up; that is, escalade is a word with a more specific, narrower meaning than climb up:

Other hyponyms of climb up include scale, ramp, mountaineer, ride.

climb up (noun)	escalade (noun)
	an act of scaling by the use of ladders (especially the walls of a fortification)

climb up (verb)	escalade (verb)
rise in rank or status	climb up and over
go upward with gradual or continuous progress
appear to be moving upward, as by means of tendrils