The word miserableness 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: 21
Highest Scoring Words With Friends™ Plays In The Letters miserableness
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Seven Letter Word Alert: (93 words)
abseils, aimless, airless, amblers, ambries, armless, baleens, balmier, basemen, beanies, beeline, bemires, beseems, beslime, besmear, biasses, blamers, blesser, blesses, blisses, braises, braless, brasses, earless, embases, emerses, enabler, enables, enamels, enemies, enseals, ensears, inseams, lassies, leaners, leasers, lesbian, lessees, lessens, limbers, mailers, manless, manlier, marbles, marines, marlins, mealier, meanies, measles, messier, mineral, missals, nailers, nemesis, nimbler, rambles, realise, realism, rebales, rebases, reblame, rebless, release, relines, remails, remains, remines, renails, renames, resails, resales, reseals, ribless, rimless, sailers, salines, sassier, sealers, seamers, seamier, seeable, seminal, seminar, serials, seriema, sesames, sessile, siamese, siemens, silanes, sinless, sirname, smilers