The word appealingness 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
Seven Letter Word Alert: (72 words)
ageless, alanine, aliases, alpeens, alpines, anginal, anginas, anneals, appeals, appease, applies, elapses, engines, enseals, ensigns, galenas, gapless, genesis, genials, lapping, lapsing, lasagne, leaning, leaping, leasing, lensing, ligases, lineage, lipases, napless, nappies, napping, nipples, palsies, pansies, passage, passing, pealing, peeling, peeping, pegless, penises, pennies, pepless, pepsins, pieless, pigpens, pinenes, pinesap, pingles, pinless, planing, pleases, salines, sapling, sapping, sealing, seeping, sensing, siennas, signals, signees, silanes, singles, spangle, spaniel, spelean, spiegel, spinals, spinels, spleens, splines