The word adulteries 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: 13
Highest Scoring Words With Friends™ Play In The Letters adulteries
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Seven Letter Word Alert: (75 words)
aediles, aeriest, alerted, altered, aridest, astride, auditee, auletes, austere, dealers, dearest, dearies, delates, derails, details, dialers, diester, dieters, dilater, dilates, diluter, dilutes, disrate, dualise, dualist, duelers, duelist, dustier, elaters, eluated, eluates, eluders, erudite, estrual, euaster, leaders, leisure, lustier, readies, realest, realise, realist, reasted, reaudit, redates, redeals, redealt, redials, reedits, related, relates, residue, retails, retiled, retiles, rituals, rudites, rustled, rutiles, saltier, saluted, saluter, sauteed, sedater, seriate, slatier, stealer, sterile, strudel, studier, tasered, tirades, trailed, treadle, uralite