come on vs go up

come on and go up both are verbs.

Word	Noun	Adjective	Verb	Adverb
come on	No	No	Yes	No
go up	No	No	Yes	No

As verbs, come on and go up are synonyms defined as:

Other synonyms of come on include approach, come near, draw close, draw near, near.

come on (verb)	go up (verb)
occur or become available	increase in value or to a higher point
appear or become visible; make a showing	burn completely; be consumed or destroyed by fire
develop in a positive way	move upward
start running, functioning, or operating	go upward with gradual or continuous progress
move towards	be erected, built, or constructed
	move towards
	travel up