The word nonbelligerent 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: 24
Highest Scoring Words With Friends™ Play In The Letters nonbelligerent
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Seven Letter Word Alert: (37 words)
beeline, beignet, belling, belting, bolting, bonelet, bonnier, ennoble, gentile, gentler, gleeter, ignoble, integer, intoner, leering, legbone, legible, lenient, libeler, lobelet, nitrene, obliger, onliner, rebegin, reblent, reeling, renting, retinol, ringlet, rolling, teenier, telling, telogen, tingler, tolling, treeing, trilobe