spit out vs let loose

spit out and let loose both are verbs.

Word	Noun	Adjective	Verb	Adverb
spit out	No	No	Yes	No
let loose	No	No	Yes	No

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

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

spit out (verb)	let loose (verb)
spit up in an explosive manner	express audibly; utter sounds (not necessarily words)
discharge (phlegm or sputum) from the lungs and out of the mouth	turn loose or free from restraint
utter with anger or contempt