The word aldosterone 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: 14
Highest Scoring Words With Friends™ Plays In The Letters aldosterone
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Seven Letter Word Alert: (89 words)
aerosol, alerted, altered, antlers, areoles, atoners, daltons, dealers, dearest, delates, delator, denotes, dentals, donates, earnest, eastern, elaters, elodeas, endears, endorse, enlards, enolase, enolate, enteral, estrone, eternal, landers, lateens, leaders, leaners, leanest, leantos, learned, lenders, leotard, loaders, loaners, looters, nearest, nestled, noloads, noodles, odorant, oleates, onloads, ordeals, orleans, realest, reasted, redates, redeals, redealt, related, relates, relents, reloads, reloans, rentals, reslant, resoled, retools, roasted, rodents, roosted, roseate, roselet, roseola, saltern, sedater, senator, slander, slanted, slender, snarled, snooted, snorted, standee, stander, stealer, sterane, sternal, sterned, stooled, tasered, tenders, toolers, tornado, treadle, treason