issue vs release

issue and release both are nouns.

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

As verbs, issue and release are synonyms defined as:

Other synonyms of issue include bring out, publish, put out.

As verbs, release is a hyponym of issue; that is, release is a word with a more specific, narrower meaning than issue:

Other hyponyms of issue include free, unblock, unfreeze, reissue, free.

issue (noun)	release (noun)
the act of issuing printed materials	activity that frees or expresses creative energy or emotion
the act of providing an item for general use or for official purposes (usually in quantity)	the act of liberating someone or something
an opening that permits escape or release	the termination of someone's employment (leaving them free to depart)
some situation or event that is thought about	the act of allowing a fluid to escape
an important question that is in dispute and must be settled	a formal written statement of relinquishment
one of a series published periodically	(music) the act or manner of terminating a musical phrase or tone
the becoming visible	merchandise issued for sale or public showing (especially a record or film)
the immediate descendants of a person	a device that when pressed will release part of a mechanism
a phenomenon that follows and is caused by some previous phenomenon	an announcement distributed to members of the press in order to supplement or replace an oral presentation
the income or profit arising from such transactions as the sale of land or other property	a legal document evidencing the discharge of a debt or obligation
supplies (as food or clothing or ammunition) issued by the government	euphemistic expressions for death
	a process that liberates or discharges something

issue (verb)	release (verb)
come out of	generate and separate from cells or bodily fluids
prepare and issue for public distribution or sale	eliminate (a substance)
bring out an official document (such as a warrant)	make (assets) available
make out and issue	prepare and issue for public distribution or sale
circulate or distribute or equip with	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