debauchery vs bacchanalia

debauchery and bacchanalia both are nouns.

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

As nouns, debauchery and bacchanalia are synonyms defined as:

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

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

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