The word earthenwares 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™ Plays In The Letters
Seven Letter Word Alert: (63 words)
aerates, anthers, arsheen, artware, earners, earnest, earthen, eastern, enterer, entrees, errants, ethanes, ethenes, hearers, hearten, heaters, hetaera, narrate, nearest, ranters, reenter, rehears, reheats, renewer, renters, rerents, reshare, reswear, retears, rethaws, retrees, rewater, seether, serener, serrate, shearer, sheerer, sheeter, sneerer, steerer, sterane, sterner, swearer, sweater, sweeten, sweeter, tearers, teaware, terrane, trasher, wanters, warners, warrant, waterer, wearers, weather, western, wheaten, whereas, whereat, wreathe, wreaths, wrester