11 letters · 20 points in Scrabble
originEtymology tree Proto-Indo-European *pleh₁- Proto-Indo-European *polh₁ús Ancient Greek πολῠ́ς (polŭ́s)lbor. English poly- Latin sulpur Latin sulfur Latin sulphur Anglo-Norman sulfrebor. Middle English sulphur English sulf(ur) Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idusder. English -ide English sulfide English polysulfide From poly- + sulfide.
Etymology from Wiktionary, CC BY-SA 3.0