bacchanal vs saturnalia

bacchanal and saturnalia both are nouns.

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

As nouns, bacchanal and saturnalia are synonyms defined as:

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

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

bacchanal (noun)	saturnalia (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

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