14 letters · 20 points in Scrabble
originEtymology tree Ancient Greek ὠθέω (ōthéō) Proto-Indo-European *-mos Proto-Indo-European *-mós Ancient Greek -μός (-mós) Ancient Greek ὠσμός (ōsmós)der. English osmo- English regulatory English osmoregulatory From osmo- + regulatory.
Etymology from Wiktionary, CC BY-SA 3.0