The word federalist 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 federalist
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Seven Letter Word Alert: (79 words)
aediles, aeriest, alerted, altered, aridest, astride, deafest, dealers, dearest, dearies, defeats, defiers, defiler, defiles, deflate, defleas, delates, derails, details, dialers, diester, dieters, dilater, dilates, disrate, draftee, elaters, faeries, fairest, falters, fardels, feasted, federal, felsite, fertile, fielder, fileted, filters, flirted, freesia, leaders, leafier, lefties, lifters, readies, realest, realise, realist, reasted, redates, redeals, redealt, redials, reedits, refiled, refiles, reflate, reflies, related, relates, reliefs, retails, retiled, retiles, saltier, sealife, sedater, seriate, slatier, stealer, sterile, stifled, stifler, tasered, tirades, trailed, treadle, trifled, trifles