envelop vs benight

envelop and benight both are verbs.

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

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

Other hyponyms of envelop include tube, capsulate, capsule, capsulise, capsulize, engulf, sheathe, cocoon, bathe, cover, enshroud, hide, shroud.

envelop (verb)	benight (verb)
enclose or enfold completely with or as if with a covering	make darker and difficult to perceive by sight
	envelop with social, intellectual, or moral darkness
	overtake with darkness or night