The word persuasible 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: 19
Highest Scoring Words With Friends™ Play In The Letters persuasible
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Seven Letter Word Alert: (59 words)
abseils, abusers, airless, asperse, aspires, blesser, braises, braless, bruises, burials, earless, elapses, leapers, leasers, leisure, lipases, lispers, palsies, paresis, perusal, peruses, pieless, pleaser, pleases, pleurae, praises, presale, puerile, pulsars, pulsers, pussier, realise, rebales, rebases, rebless, reissue, relapse, repeals, repiles, replies, repulse, resails, resales, reseals, ribless, sailers, sealers, serapes, serials, spirals, spireas, subpial, subrail, suspire, upraise, uprisal, uprises, ureases, useable