5 letters · 12 points in Scrabble
noun a deceitful and unreliable scoundrel
noun one of four face cards in a deck bearing a picture of a young prince
originFrom Middle English knave, knafe, from Old English cnafa (“child, boy, youth; servant”), from Proto-West Germanic *knabō. Cognate to Dutch knaap and German Knabe.
Etymology from Wiktionary, CC BY-SA 3.0