unleash vs release

unleash is not a noun while release is a noun.

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

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

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

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

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

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

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

unleash (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

unleash (verb)	release (verb)
release or vent	generate and separate from cells or bodily fluids
release from a leash	eliminate (a substance)
turn loose or free from restraint	make (assets) available
	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