The word disseminating 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™ Play In The Letters disseminating
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Seven Letter Word Alert: (95 words)
animist, antigen, asinine, daisies, damning, demasts, demists, denting, dentins, designs, desmans, destain, detains, diamine, dieting, digests, diimine, dimness, dingies, dinting, dissent, dissing, editing, endings, enigmas, ensigns, gamiest, gentian, ignited, ignites, imagine, imidine, indents, indians, indites, ingests, inmates, inseams, insides, instead, intends, madness, magnets, maidens, massing, matings, meaning, medians, mending, messing, midgets, minding, mindset, miniate, mintage, minting, misdate, misedit, missaid, misseat, missing, misting, nesting, sagiest, sainted, sanding, sandmen, seaming, seating, seitans, sending, sensing, sestina, sideman, sidings, siennas, sigmate, signets, simians, smidgen, smidgin, smiting, snidest, stained, stamens, stigmas, stimied, stimies, tandems, teaming, teasing, tending, tensing, tidings, timings