The word milquetoasts 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: 26
Highest Scoring Words With Friends™ Play In The Letters milquetoasts
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Seven Letter Word Alert: (49 words)
aimless, aliquot, altoist, amulets, atomise, aulists, autists, isolate, latites, lotuses, lutists, lutites, maltose, masques, misseat, mitoses, molests, mosques, mottles, mueslis, mutates, outlast, outlets, outlies, outmate, outsail, outsets, outsits, salutes, seamost, sequoia, situate, solutes, somites, squeals, stalest, statism, statues, stomate, stomies, taluses, taoists, tequila, timeout, toilets, toluate, toquets, tousles, utmosts