bacchanalia vs debauchery

bacchanalia and debauchery both are nouns.

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

As nouns, bacchanalia and debauchery are synonyms defined as:

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

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

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