heterodoxy

heterodoxy is a valid word in Scrabble and Words With Friends. It has 10 letters and scores 24 points before any board bonuses (h 4 + e 1 + t 1 + e 1 + r 1 + o 1 + d 2 + o 1 + x 8 + y 4).

“HETERODOXY” on Wiktionary