let out vs relinquish

let out and relinquish both are verbs.

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

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

Other hypernyms of let out include let go, let go of, release.

let out (verb)	relinquish (verb)
make (clothes) larger	release, as from one's grip
make known to the public information that was previously known only to a few people or that was meant to be kept a secret	turn away from; give up
express audibly; utter sounds (not necessarily words)	part with a possession or right
bring out of a specific state	do without or cease to hold or adhere to