13 letters · 28 points in Scrabble
verb exclude from a church or a religious community
verb oust or exclude from a group or membership by decree
originFrom Ecclesiastical Latin, Late Latin excommunicātus, perfect passive participle of excommunicō (“put out of the community”). See -ate (adjective-forming suffix) for more. Displaced native Old English āmǣnsumian.
Etymology from Wiktionary, CC BY-SA 3.0