The word uncomplaining 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: 29
Highest Scoring Words With Friends™ Play In The Letters uncomplaining
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Seven Letter Word Alert: (45 words)
alginic, angulon, anionic, calming, camping, campion, canning, cannoli, cingula, cloning, coaling, coiling, coining, conning, couping, cunning, gluonic, lancing, limning, limping, loaning, lumping, mailing, manning, mauling, mincing, moaning, monilia, nailing, nominal, nonlung, nonmail, opining, paining, palming, panning, pinning, placing, planing, plugman, pluming, punning, unalign, unclamp, uncling