The word manuscripts 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: 22
Highest Scoring Words With Friends™ Play In The Letters manuscripts
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Seven Letter Word Alert: (46 words)
armpits, atriums, cantrip, casspir, catnips, catsups, cranium, curtain, impacts, imparts, incrust, instars, martins, miscast, miscuts, misturn, prussic, purists, puritan, racisms, racists, rapists, rustics, sacrums, sanctum, sanctus, scrimps, scripts, spasmic, spastic, sprains, sprints, strains, sunstar, suntrap, sustain, tsarism, tsunami, turnips, uncarts, uncramp, unpairs, unstrap, unstrip, untraps, upstair