accessory vs vesture

accessory and vesture both are nouns.

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

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

accessory: clothing that is worn or carried, but not part of your main clothing
vesture: a covering designed to be worn on a person's body

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

accessory (noun)	vesture (noun)
a supplementary component that improves capability	a covering designed to be worn on a person's body
clothing that is worn or carried, but not part of your main clothing	something that covers or cloaks like a garment
someone who helps another person commit a crime

accessory (adjective)	vesture (adjective)
furnishing added support
aiding and abetting in a crime

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