bacchic vs bacchanal

bacchic is not a noun while bacchanal is a noun.

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

As adjectives, bacchic and bacchanal are synonyms defined as:

Other synonyms of bacchic include bacchanalian, carousing, orgiastic.

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

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