identify vs separate

identify is not a noun while separate is a noun.

Word	Noun	Adjective	Verb	Adverb
identify	No	No	Yes	No
separate	Yes	Yes	Yes	No

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

identify: recognize as being; establish the identity of someone or something
separate: mark as different

Other hyponyms of identify include differentiate, distinguish, secern, secernate, severalise, severalize, tell, tell apart.

identify (noun)	separate (noun)
	a garment that can be purchased separately and worn in combinations with other garments
	a separately printed article that originally appeared in a larger publication

identify (adjective)	separate (adjective)
	independent; not united or joint
	standing apart; not attached to or supported by anything
	separated according to race, sex, class, or religion
	have the connection undone; having become separate

identify (verb)	separate (verb)
recognize as being; establish the identity of someone or something	become separated into pieces or fragments
identify as in botany or biology, for example	divide into two or more branches so as to form a fork
consider to be equal or the same	arrange or order by classes or categories
conceive of as united or associated	mark as different
consider (oneself) as similar to somebody else	move or break apart
give the name or identifying characteristics of; refer to by name or some other identifying characteristic property	force, take, or pull apart
	divide into components or constituents
	go one's own way; move apart
	make a division or separation
	treat differently on the basis of sex or race
	separate into parts or portions
	discontinue an association or relation; go different ways
	act as a barrier between; stand between