The word nonremittal 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™ Plays In The Letters nonremittal
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Seven Letter Word Alert: (55 words)
aileron, ailment, aliment, almoner, antlion, elation, entrain, entrant, intoner, ironman, lantern, latrine, lineman, loamier, maltier, manlier, marlite, melanin, mention, minaret, mineral, montane, moraine, motlier, mottler, nattier, netmail, nitrate, nominal, nonamer, nonlate, nonliar, nonmail, nonmale, nonmate, nonmeal, nonmeat, nonreal, omitter, onliner, otarine, raiment, ratline, reliant, remnant, retinal, retinol, retotal, romaine, tertial, toenail, tonearm, torment, trenail, tritoma