10 letters · 14 points in Scrabble
originEtymology tree Proto-Indo-European *kʷetwóres Proto-Hellenic *kʷétwores Ancient Greek τέσσᾰρες (téssăres) Ancient Greek τετρᾰ- (tetră-)bor. English tetra- English -mer English tetramer Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English tetrameric From tetramer + -ic.
Etymology from Wiktionary, CC BY-SA 3.0