The word disreputes 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 disreputes
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Seven Letter Word Alert: (58 words)
depress, deputes, deserts, desires, despise, despite, dessert, diester, dieters, dispute, disrupt, dressup, dusters, dustier, erudite, erupted, persist, perused, peruses, pesters, preedit, presets, preside, pressed, priests, purists, pussier, reedits, reissue, reputed, resides, residue, respite, resteps, rudites, spiders, spirted, spriest, sprites, spurted, strides, striped, stripes, studier, studies, stupers, stupids, sudsier, suiters, supered, suspire, tepider, tissued, tressed, tripeds, trussed, uprises, upsides