come up vs go up

come up and go up both are verbs.

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

As verbs, go up is a hypernym of come up; that is, go up is a word with a broader meaning than come up:

Other hypernyms of come up include arise, come up, lift, move up, rise, uprise.

As verbs, go up is a hypernym of come up; that is, go up is a word with a broader meaning than come up:

Other hypernyms of come up include ascend.

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

come up: move toward, travel toward something or somebody or approach something or somebody
go up: move towards

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

Other synonyms of come up include arise, lift, move up, rise, uprise.

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

come up (verb)	go up (verb)
result or issue	increase in value or to a higher point
start running, functioning, or operating	burn completely; be consumed or destroyed by fire
gather or bring together	move upward
gather (money or other resources) together over time	go upward with gradual or continuous progress
bring forth, usually something desirable	be erected, built, or constructed
come up, of celestial bodies	move towards
come to the surface	travel up
move toward, travel toward something or somebody or approach something or somebody
move upward
get something or somebody for a specific purpose
originate or come into being
be mentioned