The word discomposing 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: 25
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (38 words)
codings, comings, condoms, cooping, copings, copsing, cosigns, diosmin, dissing, dominos, dooming, godsons, iconism, indigos, iodisms, isogons, isopods, isospin, miscoin, missing, mission, monoids, mossing, oncosis, opioids, pisoids, poising, poisons, psionic, scoping, sidings, sigmoid, sinoids, smidgin, sodomic, somonis, spicing, spionid