sleepwear vs vesture

sleepwear and vesture both are nouns.

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

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

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

sleepwear (noun)	vesture (noun)
garments designed to be worn in bed	a covering designed to be worn on a person's body
	something that covers or cloaks like a garment

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