orgy vs bacchanalia

orgy and bacchanalia both are nouns.

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

As nouns, orgy and bacchanalia are synonyms defined as:

orgy and bacchanalia: a wild gathering involving excessive drinking and promiscuity

Other synonyms of orgy include bacchanal, debauch, debauchery, drunken revelry, riot, saturnalia.

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