loose vs release

loose is not a noun while release is a noun.

Word	Noun	Adjective	Verb	Adverb
loose	No	Yes	Yes	Yes
release	Yes	No	Yes	No

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

Other hypernyms of loose include let go, let go of, relinquish.

As verbs, loose and release are synonyms defined as:

Other synonyms of loose include free, liberate, unloose, unloosen.

loose (noun)	release (noun)
	activity that frees or expresses creative energy or emotion
	the act of liberating someone or something
	the termination of someone's employment (leaving them free to depart)
	the act of allowing a fluid to escape
	a formal written statement of relinquishment
	(music) the act or manner of terminating a musical phrase or tone
	merchandise issued for sale or public showing (especially a record or film)
	a device that when pressed will release part of a mechanism
	an announcement distributed to members of the press in order to supplement or replace an oral presentation
	a legal document evidencing the discharge of a debt or obligation
	euphemistic expressions for death
	a process that liberates or discharges something

loose (adjective)	release (adjective)
not tight; not closely constrained or constricted or constricting
not compact or dense in structure or arrangement
not affixed
(of textures) full of small openings or gaps
not literal
lacking a sense of restraint or responsibility
not tense or taut
casual and unrestrained in sexual behavior
emptying easily or excessively
(of a ball in sport) not in the possession or control of any player
not officially recognized or controlled
not carefully arranged in a package
having escaped, especially from confinement

loose (verb)	release (verb)
become loose or looser or less tight	generate and separate from cells or bodily fluids
make loose or looser	eliminate (a substance)
turn loose or free from restraint	make (assets) available
grant freedom to; free from confinement	prepare and issue for public distribution or sale
	release, as from one's grip
	let (something) fall or spill from a container
	release (gas or energy) as a result of a chemical reaction or physical decomposition
	part with a possession or right
	grant freedom to; free from confinement
	make (information) available for publication

loose (adverb)	release (adverb)
without restraint