The word nonmaterial 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 nonmaterial
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Seven Letter Word Alert: (56 words)
aeolian, aileron, ailment, alanine, aliment, almoner, amentia, animate, antlion, elation, entrain, intoner, ironman, laminae, laminar, lantern, latrine, lineman, loamier, maltier, manlier, marital, marlite, martial, martian, melanin, mention, minaret, mineral, montane, moraine, motlier, netmail, nominal, nonamer, nonlate, nonliar, nonmail, nonmale, nonmate, nonmeal, nonmeat, nonreal, oatmeal, onliner, otarine, raiment, ratline, reliant, remnant, retinal, retinol, romaine, toenail, tonearm, trenail