8 letters · 18 points in Scrabble
noun reckless or malicious behavior that causes discomfort or annoyance in others
noun the quality or nature of being harmful or evil
originFrom Middle English myschef, meschef, meschief, mischef, from Old French meschief, from meschever (“to bring to grief”), from mes- (“badly”) + chever (“happen; come to a head”), from Vulgar Latin *capare, from Latin caput (“head”).
Etymology from Wiktionary, CC BY-SA 3.0