6 letters · 9 points in Scrabble
verb make false by mutilation or addition; as of a message or story
originFrom Middle English garbelen, from Anglo-Norman garbeler (“to sift”), from Medieval Latin garbellare (or a similar Italian word), from Arabic غَرْبَلَ (ḡarbala, “to sift”).
Etymology from Wiktionary, CC BY-SA 3.0