envelop vs hide

envelop is not a noun while hide is a noun.

Word	Noun	Adjective	Verb	Adverb
envelop	No	No	Yes	No
hide	Yes	No	Yes	No

As verbs, hide is a hyponym of envelop; that is, hide is a word with a more specific, narrower meaning than envelop:

envelop (noun)	hide (noun)
	body covering of a living animal
	the dressed skin of an animal (especially a large animal)

envelop (verb)	hide (verb)
enclose or enfold completely with or as if with a covering	make undecipherable or imperceptible by obscuring or concealing
	cover as if with a shroud
	prevent from being seen or discovered
	be or go into hiding; keep out of sight, as for protection and safety