The word pleasingness 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: 20
Highest Scoring Words With Friends™ Plays In The Letters pleasingness
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Seven Letter Word Alert: (62 words)
ageless, alpeens, alpines, asepses, asepsis, assigns, elapses, engines, enseals, ensigns, gapless, gasless, genesis, genials, glasses, lapsing, lassies, leaning, leaping, leasing, lensing, lessens, ligases, lineage, lipases, napless, palsies, pansies, passing, pealing, peeling, pegless, penises, pennies, pieless, pinenes, pingles, pinless, planing, pleases, salines, sapless, sapling, sassing, sealing, seeping, sensing, sessile, siennas, signals, signees, silanes, singles, sinless, spangle, spaniel, spelean, spiegel, spinals, spinels, spleens, splines