come up vs resurface

come up and resurface both are verbs.

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

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

Other hyponyms of come up include emerge, bubble up, intumesce, swell, well.

come up (verb)	resurface (verb)
result or issue	to come out of obscurity or hiding
start running, functioning, or operating	cover with a new surface
gather or bring together	reappear on the surface
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