apparel vs wear

apparel and wear both are nouns.

Word	Noun	Adjective	Verb	Adverb
apparel	Yes	No	Yes	No
wear	Yes	No	Yes	No

As nouns, wear is a hypernym of apparel; that is, wear is a word with a broader meaning than apparel:

Other hypernyms of apparel include article of clothing, clothing, habiliment, vesture, wearable.

apparel (noun)	wear (noun)
clothing in general	the act of having on your person as a covering or adornment
	a covering designed to be worn on a person's body
	impairment resulting from long use

apparel (verb)	wear (verb)
provide with clothes or put clothes on	be dressed in
	put clothing on one's body
	have or show an appearance of
	exhaust or get tired through overuse or great strain or stress
	have on one's person
	deteriorate through use or stress
	go to pieces
	last and be usable
	have in one's aspect; wear an expression of one's attitude or personality