The word peculators 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: 18
Highest Scoring Words With Friends™ Plays In The Letters peculators
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Seven Letter Word Alert: (95 words)
acerous, acouple, alecost, alecups, apostle, caltrop, caplets, capsule, captors, capture, carouse, carpels, carpets, cartels, cauters, clarets, clasper, closeup, closure, cloture, cluster, coalers, coaster, colters, coulter, coupler, couples, couplet, crustal, cuatros, cupolas, curates, cuspate, elutors, escolar, estrual, lactose, leprous, locates, octuple, oculars, oracles, oscular, outleap, outpace, outrace, outraps, outspar, palters, parcels, paroles, pasture, patrols, perusal, petrols, placers, plaster, platers, plouter, polecat, portals, posture, poulter, pouters, precast, precoat, precuts, pulsate, reclasp, recoals, recoats, recoups, recusal, replots, saluter, scalper, scarlet, scouter, scrotal, scruple, seaport, secular, solacer, spectra, specula, sporule, spouter, stapler, sulcate, teacups, toecaps, troupes, uprates, upscale, urostea