The word preachers 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: 17
Highest Scoring Words With Friends™ Play In The Letters preachers
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Seven Letter Word Alert: (33 words)
archers, careers, carpers, cheaper, crasher, creaser, eparchs, escaper, harpers, heapers, hearers, parches, peaches, percher, perches, phraser, prerace, reacher, reaches, reapers, reheaps, rehears, repaces, reparse, reperch, rerapes, reshape, reshare, respace, scraper, sharper, shearer, spearer