fete vs party

fete and party both are nouns.

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

As nouns, party is a hypernym of fete; that is, party is a word with a broader meaning than fete:

fete: an elaborate party (often outdoors)
party: an occasion on which people can assemble for social interaction and entertainment

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

fete (noun)	party (noun)
an organized series of acts and performances (usually in one place)	an occasion on which people can assemble for social interaction and entertainment
an elaborate party (often outdoors)	a gathering of people for pleasure
	an organization to gain political power
	a band of people associated temporarily in some activity
	a person involved in legal proceedings

fete (verb)	party (verb)
have a celebration	have or participate in a party