bacchic vs bacchanalian

bacchic and bacchanalian both are adjectives.

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

As adjectives, bacchic and bacchanalian are synonyms defined as:

Other synonyms of bacchic include bacchanal, carousing, orgiastic.

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