The word disorganisation 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™ Play In The Letters disorganisation
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Seven Letter Word Alert: (98 words)
adoring, against, agatoid, agnosia, agonist, airings, andiron, anginas, angioid, anodont, anoints, arising, artisan, astroid, atonias, atoning, darning, darting, diarist, dinting, disroot, dissing, dogsits, donairs, dooring, dragons, dragoon, droning, gadroon, gastrin, goannas, godsons, ignitor, indians, indigos, indoors, ingrain, innards, inroads, instars, introns, ironing, isodont, isogons, nanodot, nanorod, nations, nonarts, nongods, nonriot, noosing, notions, odorant, orating, oration, ordains, origins, radians, radiant, raiding, raining, raising, raisins, ranting, ratings, rations, ridings, rinsing, rioting, risings, roaning, rooting, sanding, sangria, sidings, signora, signors, sinoids, snaring, snoring, soaring, sonatas, sooting, sorting, sringas, staring, stoning, storing, strains, strands, strings, tidings, tornado, toroids, torsion, tossing, trading, tsarina