The word thermostated 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: 18
Highest Scoring Words With Friends™ Play In The Letters thermostated
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Seven Letter Word Alert: (83 words)
adheres, dearest, dearths, dehorts, demates, demotes, detorts, dotters, earshot, earthed, emoters, hamster, hardest, hatreds, hatters, headers, headset, hearsed, hearted, heaters, heteros, homered, hottest, maestro, matters, meteors, methods, mothers, radomes, readmes, reasted, redates, reheats, rehomed, rehomes, remated, remates, remotes, reshoed, restate, retaste, reteams, retoast, roasted, roseate, rosette, rotated, rotates, sedater, shatter, sheared, shorted, shotted, smarted, smatter, smeared, smother, stardom, started, steamed, steamer, stomate, stormed, tartest, tasered, tatters, testate, tethers, theater, theatre, theorem, thereat, thereto, thermos, threads, threats, throats, toasted, toaster, totters, trashed, treated, trotted