come out vs let out

come out and let out both are verbs.

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

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

come out: to state openly and publicly one's homosexuality
let out: 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, reveal, uncover, unwrap.

come out (verb)	let out (verb)
appear or become visible; make a showing	make (clothes) larger
be issued or published	make known to the public information that was previously known only to a few people or that was meant to be kept a secret
break out	express audibly; utter sounds (not necessarily words)
come out of	bring out of a specific state
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