The word pleurodonts 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: 18
Highest Scoring Words With Friends™ Plays In The Letters pleurodonts
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Seven Letter Word Alert: (91 words)
deports, detours, droplet, dropout, elutors, leprous, leptons, looters, loudest, nodules, noodles, onerous, operons, optrode, opulent, outdoer, outdoes, outdone, outplod, outrode, outsold, outsole, outsped, penults, petrols, plouter, plunder, plutons, ponders, poodles, poorest, portend, postern, posture, poulter, pounder, pouters, presold, pronest, protons, prudent, punster, punters, replots, resound, respond, respool, retools, rodents, roosted, rotunds, roundel, rustled, slurped, snooped, snooper, snooted, snorted, snouted, sounder, spooled, spooler, spooned, spoored, sporont, sported, sporule, spouted, spouter, spurned, spurted, stooled, stooped, stooper, strudel, telopod, tonsure, toolers, torpedo, tousled, trooped, trouped, troupes, trundle, undoers, undrest, unloose, unposed, uproots, uptrend, uropods