The word homesteader 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: 17
Highest Scoring Words With Friends™ Plays In The Letters homesteader
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Seven Letter Word Alert: (65 words)
adheres, dearest, dearths, dehorts, demates, demotes, earshot, earthed, emersed, emoters, hamster, hardest, hatreds, headers, headset, hearsed, hearted, heaters, heteros, homered, maestro, meeters, meteors, metered, methods, mothers, radomes, readmes, reasted, redates, redeems, reested, reheats, rehomed, rehomes, remated, remates, remeets, remotes, reshoed, reteams, roasted, roseate, sedater, seethed, seether, sheared, sheered, sheeted, sheeter, shorted, smarted, smeared, smother, stardom, steamed, steamer, steered, stormed, tasered, teemers, theorem, thermos, threads, trashed