13 letters · 30 points in Scrabble
originEtymology tree Proto-Indo-European *swéḱs Proto-Hellenic *hwéks Ancient Greek ἕξ (héx) Ancient Greek ἑξα- (hexa-)der. Latin hexa-der. English hexa- French méthylène English methylene New Latin ammōniumbor. English ammonium English onium English -onium English hexamethonium From hexa- + meth(ylene) + -onium (“quaternary ammonium compound”).
Etymology from Wiktionary, CC BY-SA 3.0