wassail vs carouse

wassail and carouse both are nouns.

Word	Noun	Adjective	Verb	Adverb
wassail	Yes	No	Yes	No
carouse	Yes	No	Yes	No

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

wassail: celebrate noisily, often indulging in drinking; engage in uproarious festivities
carouse: engage in boisterous, drunken merrymaking

Other hyponyms of wassail include riot, roister.

wassail (noun)	carouse (noun)
a punch made of sweetened ale or wine heated with spices and roasted apples; especially at Christmas	revelry in drinking; a merry drinking party

wassail (verb)	carouse (verb)
propose a toast to	engage in boisterous, drunken merrymaking
celebrate noisily, often indulging in drinking; engage in uproarious festivities