bacchanalia vs bacchanal

bacchanalia and bacchanal both are nouns.

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

As nouns, bacchanalia and bacchanal are synonyms defined as:

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

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

bacchanalia (noun)	bacchanal (noun)
a wild gathering involving excessive drinking and promiscuity	a wild gathering involving excessive drinking and promiscuity
	someone who engages in drinking bouts
	a drunken reveller; a devotee of Bacchus

bacchanalia (adjective)	bacchanal (adjective)
	used of riotously drunken merrymaking