come up vs bring forth

come up and bring forth both are verbs.

Word	Noun	Adjective	Verb	Adverb
come up	No	No	Yes	No
bring forth	No	No	Yes	No

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

Other hypernyms of come up include generate.

come up (verb)	bring forth (verb)
result or issue	make (offspring) by reproduction
start running, functioning, or operating	bring forth or yield
gather or bring together	produce, create
gather (money or other resources) together over time	bring out for display
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