headgear vs vesture

headgear and vesture both are nouns.

Word	Noun	Adjective	Verb	Adverb
headgear	Yes	No	No	No
vesture	Yes	No	Yes	No

As nouns, vesture is a hypernym of headgear; that is, vesture is a word with a broader meaning than headgear:

Other hypernyms of headgear include article of clothing, clothing, habiliment, wear, wearable.

headgear (noun)	vesture (noun)
clothing for the head	a covering designed to be worn on a person's body
stable gear consisting of any part of a harness that fits about the horse's head	something that covers or cloaks like a garment
the hoist at the pithead of a mine

headgear (verb)	vesture (verb)
	provide or cover with a cloak