The word promulgates 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: 21
Highest Scoring Words With Friends™ Play In The Letters promulgates
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Seven Letter Word Alert: (84 words)
amplest, ampoule, amulets, apostle, armlets, earplug, elutors, emulsor, estrual, galtrop, gaolers, gelatos, geomaps, glamour, glamper, gloater, gluepot, gourmet, gulpers, largest, leprous, maestro, maltose, matures, maulers, morales, morgues, mortals, morulas, outages, outleap, outrage, outraps, outspar, palters, pargets, paroles, pasture, patrols, pergola, perusal, petrols, plagues, plaster, platers, plouter, plumage, plumose, portage, portals, postage, posture, potages, poulter, pouters, pulsate, pumelos, ragouts, replots, replugs, restamp, restump, rumples, saluter, sampler, seaport, serumal, splurge, sporule, spouter, stamper, stapler, stomper, storage, stromal, stumper, tampers, tempura, tramels, trample, troupes, uprates, upstage, urostea