troat vs let out

troat and let out both are verbs.

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

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

troat: emit a cry intended to attract other animals; used especially of animals at rutting time
let out: express audibly; utter sounds (not necessarily words)

Other hypernyms of troat include emit, let loose, utter.

troat (verb)	let out (verb)
emit a cry intended to attract other animals; used especially of animals at rutting time	make (clothes) larger
	make known to the public information that was previously known only to a few people or that was meant to be kept a secret
	express audibly; utter sounds (not necessarily words)
	bring out of a specific state