fete vs Bacchanalia

fete and Bacchanalia both are nouns.

Word	Noun	Adjective	Verb	Adverb
fete	Yes	No	Yes	No
Bacchanalia	Yes	No	No	No

As nouns, Bacchanalia is a hyponym of fete; that is, Bacchanalia is a word with a more specific, narrower meaning than fete:

fete: an organized series of acts and performances (usually in one place)
Bacchanalia: an orgiastic festival in ancient Greece in honor of Dionysus (= Bacchus)

fete (noun)	Bacchanalia (noun)
an organized series of acts and performances (usually in one place)	an orgiastic festival in ancient Greece in honor of Dionysus (= Bacchus)
an elaborate party (often outdoors)

fete (verb)	Bacchanalia (verb)
have a celebration