apparel vs wearable

apparel and wearable both are nouns.

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

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

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

apparel (noun)	wearable (noun)
clothing in general	a covering designed to be worn on a person's body

apparel (adjective)	wearable (adjective)
	suitable for wear or able to be worn

apparel (verb)	wearable (verb)
provide with clothes or put clothes on