generate vs come up

generate and come up both are verbs.

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

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

Other hyponyms of generate include develop, bring on, induce, free, liberate, release.

generate (verb)	come up (verb)
make (offspring) by reproduction	result or issue
produce, create	start running, functioning, or operating
produce (energy)	gather or bring together
give or supply	gather (money or other resources) together over time
	bring forth, usually something desirable
	come up, of celestial bodies
	come to the surface
	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