make merry vs make whoopee

make merry and make whoopee both are verbs.

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

As verbs, make merry and make whoopee are synonyms defined as:

make merry and make whoopee: celebrate noisily, often indulging in drinking; engage in uproarious festivities

Other synonyms of make merry include jollify, make happy, racket, revel, wassail, whoop it up.

make merry (verb)	make whoopee (verb)
celebrate noisily, often indulging in drinking; engage in uproarious festivities	celebrate noisily, often indulging in drinking; engage in uproarious festivities