13 letters · 23 points in Scrabble
originEtymology tree Proto-Indo-European *déḱm̥ Proto-Hellenic *dékə Ancient Greek δέκᾰ (dékă) Ancient Greek -ᾰ́ς (-ắs) Ancient Greek δεκάς (dekás)der. Late Latin decasder. French déca-bor. English deca- French méthylène English meth(ylene) New Latin ammōniumbor. English ammonium English onium English -onium English decamethonium From deca- + meth(ylene) + -onium (“quaternary ammonium compound”).
Etymology from Wiktionary, CC BY-SA 3.0