The word osteomalacia 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: 19
Highest Scoring Words With Friends™ Play In The Letters osteomalacia
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Seven Letter Word Alert: (38 words)
alecost, aloetic, amastia, atomics, atomise, caeomas, calmest, castile, celosia, climate, coalise, coalite, coastal, coeloms, coolest, cooties, elastic, isolate, laciest, lactase, lactose, locates, malacia, malaise, malices, maltose, metical, oatmeal, ocelots, oolites, osmotic, osteoma, scatoma, scotoma, somatic, stoical, stoolie, tamales