The word percolators 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™ Play In The Letters percolators
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Seven Letter Word Alert: (99 words)
aerosol, alecost, apostle, caltrop, caplets, captors, caroler, carpels, carpers, carpets, carpool, carport, carrots, cartels, carters, clarets, clasper, coalers, coarser, coaster, colorer, colters, coolers, coolest, corpora, corrals, craters, creator, creosol, escolar, lactose, locates, locator, looters, ocelots, ooplast, oracles, orators, palters, parcels, parlors, paroles, parrots, patrols, petrols, placers, plaster, platers, polecat, poorest, portals, porters, praetor, praters, precast, precoat, precool, presort, proctor, prorate, raptors, reactor, realtor, reclasp, recoals, recoats, recolor, rectors, replots, reports, reroast, reroots, respool, restrap, retools, retraps, roaster, rooster, rooters, roseola, rostral, scalper, scarlet, scooper, scooter, scraper, scrotal, seaport, solacer, spectra, spooler, stapler, stooper, toecaps, toolers, torpors, tracers, trocars, trooper