protective garment vs wearable

protective garment and wearable both are nouns.

Word	Noun	Adjective	Verb	Adverb
protective garment	Yes	No	No	No
wearable	Yes	Yes	No	No

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

protective garment: clothing that is intended to protect the wearer from injury
wearable: a covering designed to be worn on a person's body

Other hypernyms of protective garment include article of clothing, clothing, habiliment, vesture, wear.

protective garment (noun)	wearable (noun)
clothing that is intended to protect the wearer from injury	a covering designed to be worn on a person's body

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