9 letters · 12 points in Scrabble
originFrom Latin *dērīsibilis (compare Italian derisibile, “deridable”), from dērīsus + -ibilis (whence English -ible), a variant of -bilis (adjective-forming suffix that denotes the capacity or worth of being acted upon). Dērīsus is the perfect passive participle of dērīdeō (“to laugh at, make fun of, mock, deride”), from dē- (intensifying prefix) + rīdeō (“to laugh; to laugh at, mock, ridicule”),…
Etymology from Wiktionary, CC BY-SA 3.0