fete vs make whoopee

fete is a noun but make whoopee is not a noun.

Word	Noun	Adjective	Verb	Adverb
fete	Yes	No	Yes	No
make whoopee	No	No	Yes	No

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

fete: have a celebration
make whoopee: celebrate noisily, often indulging in drinking; engage in uproarious festivities

Other hyponyms of fete include jubilate, jollify, make happy, make merry, racket, revel, wassail, whoop it up, party, receive.

fete (noun)	make whoopee (noun)
an organized series of acts and performances (usually in one place)
an elaborate party (often outdoors)

fete (verb)	make whoopee (verb)
have a celebration	celebrate noisily, often indulging in drinking; engage in uproarious festivities