The word unmechanised 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: 24
Highest Scoring Words With Friends™ Plays In The Letters unmechanised
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Seven Letter Word Alert: (60 words)
achenes, acumens, adenine, amnesic, aniseed, caesium, candies, canines, chained, chinned, cinemas, cumenes, decanes, decuman, dehisce, demeans, duchies, echidna, enamine, encased, enchain, endemic, enhance, haemins, headmen, hennaed, icedams, icemans, incased, incense, induces, inhuman, machine, maidens, mannish, meanies, medians, medusae, menaced, menaces, miscued, munched, munchee, munches, mundane, nuanced, nuances, sandmen, scanned, schemed, shinned, shunned, sideman, unaimed, uncased, unchain, undines, unhands, unmined, unnamed