The word teleprinters 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: 17
Highest Scoring Words With Friends™ Play In The Letters teleprinters
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Seven Letter Word Alert: (94 words)
eeriest, enterer, entitle, entrees, entries, epistle, inepter, inerter, leerier, lenites, letters, litters, netters, nettles, peelers, pelites, pelters, penlite, perlite, petites, petrels, pettier, preener, present, preteen, pretest, printer, pterins, reelers, reenter, reinter, relents, reliers, relines, renters, repeels, repents, repiles, repiner, repines, replete, replier, replies, reprint, reprise, reptile, rerents, rerinse, respelt, respire, respite, resplit, retiles, retilts, retints, retiree, retires, retitle, retrees, retries, seepier, serener, serpent, settler, sleeper, slitter, sneerer, spittle, steelie, steepen, steeper, steeple, steerer, sterile, sterner, stilter, striper, teenier, teeters, telnets, tensile, tenters, tentier, terpene, terpine, testier, tilters, tinters, tipster, treelet, trestle, trienes, triples, triplet