The word outspanned 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 outspanned
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Seven Letter Word Alert: (24 words)
astound, donates, dopants, dustpan, nondate, notepad, outspan, outsped, peanuts, pedants, pendant, snouted, spanned, spouted, standup, stunned, tendons, undents, unnoted, unposed, unsated, unspent, untaped, updates