The word persuasively 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: 23
Highest Scoring Words With Friends™ Play In The Letters persuasively
:
Seven Letter Word Alert: (92 words)
airless, asperse, aspires, earless, elapses, elusive, essayer, evulses, laveers, leapers, leasers, leavers, leisure, lipases, lispers, paisley, palsies, paresis, parleys, parsley, passive, perusal, peruses, pessary, pieless, players, pleaser, pleases, pleurae, praises, presale, prevail, prevues, puerile, pulsars, pulsers, purveys, pussier, rayless, realise, reissue, relapse, relives, repaves, repeals, repiles, replays, replies, repulse, resails, resales, resaves, reseals, revalue, reveals, reviles, revises, revulse, sailers, salvers, sealers, serapes, serials, servals, servile, several, silvers, silvery, slavers, slavery, slayers, sleaves, slivers, sparely, spirals, spireas, splayer, suavely, surveil, surveys, suspire, upraise, uprisal, uprises, ureases, valuers, veilers, vespers, viruses, visuals, yaupers, yelpers