12 letters · 22 points in Scrabble
noun improper or wicked or immoral behavior
originEtymology tree Proto-Indo-European *mey-? Proto-Indo-European *meyth₂-der. Proto-Germanic *missaz Proto-Germanic *missa- Proto-West Germanic *missa- Old English mis- Middle English mys- English mis- English behaviour English misbehaviour From mis- + behaviour.
Etymology from Wiktionary, CC BY-SA 3.0