9 letters · 15 points in Scrabble
verb make a mess of, destroy or ruin
verb manage badly or incompetently
originFrom Middle English mishandlen, equivalent to mis- + handle. Cognate with Saterland Frisian mishondelje, West Frisian mishandelje, Dutch mishandelen (“to mistreat”), German misshandeln (“to mistreat”).
Etymology from Wiktionary, CC BY-SA 3.0