The word cranesbills 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: 20
Highest Scoring Words With Friends™ Play In The Letters cranesbills
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Seven Letter Word Alert: (48 words)
abscise, abseils, aircell, airless, ancress, arcsine, arsenic, ascribe, braille, braises, braless, cablers, caliber, calibre, callers, carbine, carless, carnies, caseins, cellars, eclairs, iceball, illness, lancers, lesbian, liberal, nailers, rallies, rebills, recalls, reclass, renails, resails, rescans, ribless, sailers, salines, scabies, scalers, scalier, scillas, scleral, scleras, scribal, scribes, serials, silanes, slicers