9 letters · 14 points in Scrabble
originEtymology tree Proto-Indo-European *úp Proto-Indo-European *-er Proto-Indo-European *upér Proto-Italic *super Latin super Latin super-lbor. English super- Proto-Germanic *fastuz Proto-West Germanic *fast Old English fæst Middle English fast English fast English superfast From super- + fast.
Etymology from Wiktionary, CC BY-SA 3.0