12 letters · 17 points in Scrabble
originEtymology tree substratebor. Old Latin *fersom Latin ferrum English ferro- Latin silex Proto-Indo-European *-yós Proto-Italic *-ios Old Latin -ios Latin -ius Latin -ium New Latin siliciumlbor. English silicium Proto-Indo-European *kerh₃-der.? Latin carbōlbor. French carbonebor. English carbonbf. English -on English silicon English ferrosilicon From ferro- + silicon.
Etymology from Wiktionary, CC BY-SA 3.0