8 letters · 13 points in Scrabble
verb make someone convulse with laughter
verb be overcome with laughter
verb move or stir about violently
originFrom Latin convulsus, past participle of convellere (“to pluck up, dislocate, convulse”), from com- (“together”) + vellere (“to pluck, pull”). Doublet of convel.
Etymology from Wiktionary, CC BY-SA 3.0