The word displeasing 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: 19
Highest Scoring Words With Friends™ Play In The Letters displeasing
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Seven Letter Word Alert: (65 words)
aidless, aisling, aligned, alpines, anilide, dailies, daisies, dangles, dealign, dealing, denials, designs, dialing, dingies, dispels, dissing, eliding, gapless, genials, gipsies, glassed, insides, islands, ladings, lapsing, leading, leaping, leasing, liaised, liaises, ligands, ligases, lipases, lisping, napless, palsied, palsies, pansies, passing, pealing, pilings, pingled, pingles, pinless, sailing, salines, sapling, sealing, sidings, sidling, signals, silanes, singled, singles, slanged, sliding, snailed, spading, spangle, spaniel, spinals, spindle, spinels, splined, splines