The word oversupplies 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: 24
Highest Scoring Words With Friends™ Plays In The Letters oversupplies
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Seven Letter Word Alert: (76 words)
elopers, elusive, epipole, erosive, espouse, evulses, leisure, leprous, lispers, loppers, lossier, lousier, louvers, louvres, oppress, overlie, overuse, peoples, pepless, peruses, pieless, pileups, plosive, plovers, poesies, poseurs, pressup, prevues, propels, puerile, pulpers, pulpier, pulsers, purples, purpose, pussier, reissue, relives, repiles, repipes, replies, reposes, repulse, resoils, resoles, resolve, reviles, revises, revulse, ripples, serious, servile, silvers, sippers, slipper, slipups, slivers, slopers, soirees, solvers, soppers, soppier, soupier, spoiler, sporule, suppers, suppler, suppose, surveil, suspire, uprises, upslope, veilers, velours, vespers, viruses