The word notepapers 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: 17
Highest Scoring Words With Friends™ Play In The Letters notepapers
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Seven Letter Word Alert: (48 words)
apposer, atoners, earnest, eastern, entraps, estrone, nappers, nearest, onestep, openers, openest, operant, operate, panters, parents, patrons, pentose, peptone, persona, petnaps, postern, poteens, prenote, present, pretans, pretape, pronate, pronest, propane, propene, protean, reopens, repaste, repeats, repents, retapes, roseate, seaport, senator, serpent, snapper, stepper, sterane, stopper, tappers, toppers, treason, trepans