The word outspanning 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: 20
Highest Scoring Words With Friends™ Play In The Letters outspanning
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Seven Letter Word Alert: (36 words)
agonist, agoutis, anoints, atoning, nations, nonsuit, ousting, outgain, outings, outsang, outspan, outspin, panning, panting, pasting, pausing, pigouts, posting, pouting, punning, punting, saponin, soaping, souping, spinout, spongin, stoning, stuping, sunning, tanning, tannins, tapings, tunings, unstain, utopian, utopias