The word sodbusters 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: 15
Highest Scoring Words With Friends™ Play In The Letters sodbusters
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Seven Letter Word Alert: (29 words)
bedusts, besorts, bestuds, busters, debtors, detours, doubter, dousers, dusters, estrous, obtrude, obtuser, oestrus, ousters, outbred, redoubt, rosebud, russets, sorbets, sourest, strobed, strobes, subsets, subsort, sudsers, toruses, tossers, trussed, trusses