peak vs move up

peak is a noun but move up is not a noun.

Word	Noun	Adjective	Verb	Adverb
peak	Yes	No	Yes	No
move up	No	No	Yes	No

peak (noun)	move up (noun)
a brim that projects to the front to shade the eyes
the top or extreme point of something (usually a mountain or hill)
the highest point (of something)
the most extreme possible amount or value
a V shape
the highest level or degree attainable; the highest stage of development
the period of greatest prosperity or productivity

peak (verb)	move up (verb)
to reach the highest point; attain maximum intensity, activity	move upward
	move to a better position in life or to a better job