come up vs hover

come up and hover both are verbs.

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

come up (verb)	hover (verb)
result or issue	hang in the air; fly or be suspended above
start running, functioning, or operating	be suspended in the air, as if in defiance of gravity
gather or bring together	be undecided about something; waver between conflicting positions or courses of action
gather (money or other resources) together over time	to hang about in a place beyond the proper or usual time
bring forth, usually something desirable	hang over, as of something threatening, dark, or menacing
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