11 letters · 14 points in Scrabble
noun unconsciousness resulting from lack of knowledge or attention
originEtymology tree English unaware Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English unawareness From unaware + -ness.
Etymology from Wiktionary, CC BY-SA 3.0