9 letters · 19 points in Scrabble
originFrom Late Latin pentarchia, from Ancient Greek πενταρχίᾱ (pentarkhíā), from πεντα- (penta-, “penta-, five”) + -αρχίᾱ (-arkhíā, “-archy, rule”), perhaps via Middle French pentarchie. Equivalent to pent- + -archy.
Etymology from Wiktionary, CC BY-SA 3.0