shape up vs climb

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

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

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

Other hyponyms of shape up include leapfrog.

shape up (noun)	climb (noun)
	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)

shape up (verb)	climb (verb)
develop in a positive way	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