8 letters · 16 points in Scrabble
originFrom Latin concha (“mussel”) (from Ancient Greek κόγχη (kónkhē)) + -oid or directly from Ancient Greek κογχοειδής (konkhoeidḗs), referring to the curved outline of a mussel shell or anything in this form. By surface analysis, conch + -oid.
Etymology from Wiktionary, CC BY-SA 3.0