The word nonpartisans 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: 18
Highest Scoring Words With Friends™ Play In The Letters nonpartisans
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Seven Letter Word Alert: (28 words)
anoints, artisan, atonias, atropia, instars, introns, nations, nonarts, parsons, passion, pastors, patinas, patrons, pistons, prisons, rapists, rations, saponin, satraps, sonatas, spartan, spinons, sprains, sprints, strains, tannins, tarpans, tsarina