The word poulterers 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: 15
Highest Scoring Words With Friends™ Play In The Letters poulterers
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Seven Letter Word Alert: (34 words)
elopers, elutors, leprous, pelters, petrels, petrols, plouter, porters, posture, poulter, pourers, pouters, presort, replots, reports, reposer, repours, repulse, reroute, respelt, restore, retours, roselet, routers, rustler, sporule, spouter, spurter, toupees, tourers, trouper, troupes, trouser, ureters