The word disassembled 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
Seven Letter Word Alert: (56 words)
abseils, aediles, aidless, aimless, bedlams, bedless, bedside, beldame, beldams, bemedal, besides, beslime, biassed, biasses, blessed, blesses, blissed, blisses, damsels, debased, debases, deleads, delimbs, delimed, delimes, demised, demises, deslime, desmids, diadems, diesels, disable, disease, dismals, edibles, emailed, embased, embases, laddies, lassies, limeade, measles, meddles, middles, misadds, misdeal, misdeed, mislead, missals, saddles, sadisms, seabeds, seaside, sesames, sessile, siamese