7 letters · 17 points in Scrabble
noun lack of honesty; acts of lying or cheating or stealing
originEtymology tree English knave Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -ārius Old French -ier Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ia Old French -ie Old French -eriebor. Middle English -erie English -ery English knavery From knave + -ery.
Etymology from Wiktionary, CC BY-SA 3.0