orgy vs revel

orgy and revel both are nouns.

Word	Noun	Adjective	Verb	Adverb
orgy	Yes	No	No	No
revel	Yes	No	Yes	No

As nouns, revel is a hypernym of orgy; that is, revel is a word with a broader meaning than orgy:

Other hypernyms of orgy include revelry.

orgy (noun)	revel (noun)
secret rite in the cults of ancient Greek or Roman deities involving singing and dancing and drinking and sexual activity	unrestrained merrymaking
any act of immoderate indulgence
a wild gathering involving excessive drinking and promiscuity

orgy (verb)	revel (verb)
	take delight in
	celebrate noisily, often indulging in drinking; engage in uproarious festivities