8 letters · 10 points in Scrabble
noun revelry in drinking; a merry drinking party
originFrom carouse (“to engage in a noisy or drunken social gathering”, verb) + -al (suffix forming nouns denoting actions by verbs to which it is attached), possibly also influenced by an erroneous understanding of the meaning of carousel (“merry-go-round”).
Etymology from Wiktionary, CC BY-SA 3.0