The word disengagement 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: 23
Highest Scoring Words With Friends™ Play In The Letters disengagement
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Seven Letter Word Alert: (87 words)
adenine, aniseed, antigen, damning, deeming, demates, demeans, dements, demesne, dentine, denting, dentins, destain, destine, detains, edgiest, edgings, eggiest, eminent, enamine, endgame, endings, enemies, engaged, engages, engined, engines, enigmas, gadgets, gametes, gamiest, gatemen, gentian, ginseng, indents, inmates, instead, intends, intense, magnets, maidens, matinee, matings, meanest, meanies, meaning, medians, mediate, meeting, menages, mending, midgets, mindset, mintage, misdate, neatens, needing, negated, negates, nestegg, nesting, sainted, sanding, sandmen, seaming, seating, seeding, seeming, segment, sending, sideman, sigmate, signage, smidgen, snagged, staging, stained, standee, steamed, taggees, tandems, teaming, teasing, teeming, teenage, tending, tensing