10 letters · 18 points in Scrabble
originFrom German Henotheismus, coined in the 19th century by German philosopher Friedrich Wilhelm Joseph von Schelling (1775–1854) from Ancient Greek ἕν (hén, stem of εἷς (heîs, “one”)) + German Theismus (“theism”, ultimately from Ancient Greek θεός (theós, “god”))).
Etymology from Wiktionary, CC BY-SA 3.0