The word politeness 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: 15
Highest Scoring Words With Friends™ Play In The Letters politeness
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Seven Letter Word Alert: (55 words)
enlists, epistle, epsilon, insoles, insteps, lenites, leptons, lesions, lioness, lionets, listens, nestles, netless, nosiest, onestep, openest, osselet, pelites, penises, penlite, pentose, peonies, pestles, petiole, petless, pieless, pinless, pistols, pistons, pitless, pleions, poesies, poetess, poetise, postils, poteens, seitens, sestine, silents, spinels, spinets, spinose, spleens, splines, splints, stenose, stepson, tensile, tieless, tinsels, tipless, toeless, tonsils, topless, topline