The word sulfonamides 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™ Plays In The Letters sulfonamides
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Seven Letter Word Alert: (93 words)
adonise, aidless, aimless, aldoses, almonds, amidone, animose, anodise, assumed, daemons, damsels, defoams, defouls, denials, desmans, dimness, dimuons, dismals, domains, dualise, dualism, elusion, emulsin, enfolds, ensouls, fadeins, famines, finales, finless, flossed, foliums, fondles, fondues, fulsome, fusions, indoles, inflame, infolds, infused, infuses, inseams, insoles, inulase, islands, lamnoid, lassoed, lesions, lioness, madness, maidens, manless, maudlin, medians, medusal, medusas, mensual, mindful, minuses, misdeal, misdoes, misdone, misfuel, mislead, misused, modules, moulins, moussed, mueslis, muslins, nodules, oldness, olefins, salines, salmons, sealion, seminal, sensual, sideman, silanes, snafued, snailed, sodiums, solanum, sulfide, sulfone, sundaes, sundial, unaimed, unfolds, unideal, unloads, unoiled, unseals