come out vs uncover

come out and uncover both are verbs.

Word	Noun	Adjective	Verb	Adverb
come out	No	No	Yes	No
uncover	No	No	Yes	No

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

come out: to state openly and publicly one's homosexuality
uncover: make known to the public information that was previously known only to a few people or that was meant to be kept a secret

Other hypernyms of come out include break, bring out, disclose, discover, divulge, expose, give away, let on, let out, reveal, unwrap.

come out (verb)	uncover (verb)
appear or become visible; make a showing	make known to the public information that was previously known only to a few people or that was meant to be kept a secret
be issued or published	remove all or part of one's clothes to show one's body
break out	reveal to view as by removing a cover
come out of
take a place in a competition; often followed by an ordinal
be made known; be disclosed or revealed
to state openly and publicly one's homosexuality
bulge outward
make oneself visible; take action
drop out
result or end