troat vs let loose

troat and let loose both are verbs.

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

As verbs, let loose is a hypernym of troat; that is, let loose 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 loose: express audibly; utter sounds (not necessarily words)

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

troat (verb)	let loose (verb)
emit a cry intended to attract other animals; used especially of animals at rutting time	express audibly; utter sounds (not necessarily words)
	turn loose or free from restraint