10 letters · 17 points in Scrabble
originEtymology tree Latin sēbumlbor. English seb(um) Ancient Greek -ο- (-o-)der. Latin -o-bor. English -o- English -rrhea English seborrhea Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English seborrheic From seborrhea + -ic.
Etymology from Wiktionary, CC BY-SA 3.0