12 letters · 15 points in Scrabble
originEtymology tree English non- English respond Proto-Indo-European *-yósder. Proto-Italic *-āzijos Latin -āriusnom. Latin -āriusbor. Proto-Germanic *-ārijaz Proto-West Germanic *-ārī Old English -ere Middle English -ere English -er English responder English nonresponder From non- + responder.
Etymology from Wiktionary, CC BY-SA 3.0