The word cornhuskers 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: 22
Highest Scoring Words With Friends™ Play In The Letters cornhuskers
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Seven Letter Word Alert: (39 words)
censors, chokers, chouser, chouses, churner, conkers, corkers, corners, courser, courses, crosser, crusher, crushes, cursers, cursors, hunkers, huskers, koshers, nursers, rechunk, reckons, recorks, recross, recrush, rockers, rushers, scorers, scorner, scourer, shocker, shucker, snorers, sources, suckers, sucrose, unchoke, uncorks, uncross, unhorse