The word voiceprints 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: 22
Highest Scoring Words With Friends™ Play In The Letters voiceprints
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Seven Letter Word Alert: (79 words)
cistern, citrine, citrons, coiners, convert, copiers, cornets, coverts, covines, cretins, crispen, cronies, eosinic, erotics, evictor, iconist, incisor, inciter, incites, inosite, inspect, inspire, invects, inverts, inviter, invites, invitro, invoice, ioniser, irenics, ironies, ivories, ivorist, nepotic, noisier, norites, notices, novices, orients, oversit, overtip, pectins, picrite, pincers, pitiers, pivoter, poetics, pointer, porcine, postern, princes, pronest, protein, psionic, pterins, recoins, repivot, repoint, revisit, ropiest, section, sericin, spicier, spinier, stivier, stonier, striven, tiepins, tipsier, triceps, triones, tropics, vectors, version, victors, virions, visitor, vitrine, voicers