The word presbyteries is playable in Words With Friends™, no blanks required. Because it is longer than 7 letters, you would have to play off an existing word or do it in several moves.
Words With Friends™ Letter Score: 20
Highest Scoring Words With Friends™ Play In The Letters presbyteries
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Seven Letter Word Alert: (34 words)
beepers, berries, eeriest, eyepits, persist, pesters, presets, presser, priests, pyrites, rebites, repress, reprise, respire, respite, resteps, resters, restirs, retiree, retires, retrees, retries, retypes, ribeyes, seepier, spriest, sprites, spryest, steeper, steerer, striper, stripes, stripey, yperite