11 letters · 19 points in Scrabble
originEtymology tree Proto-Indo-European *h₁n̥dóm Proto-Hellenic *éndon Ancient Greek ἔνδον (éndon)der. English endo- English theca Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English endothecium From endo- + theca (“pollen-producing organ”) + -ium.
Etymology from Wiktionary, CC BY-SA 3.0