drunken revelry vs bacchanalia

drunken revelry and bacchanalia both are nouns.

Word	Noun	Adjective	Verb	Adverb
drunken revelry	Yes	No	No	No
bacchanalia	Yes	No	No	No

As nouns, drunken revelry and bacchanalia are synonyms defined as:

drunken revelry and bacchanalia: a wild gathering involving excessive drinking and promiscuity

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

drunken revelry (noun)	bacchanalia (noun)
a wild gathering involving excessive drinking and promiscuity	a wild gathering involving excessive drinking and promiscuity