The word galactosemia 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: 21
Highest Scoring Words With Friends™ Play In The Letters galactosemia
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Seven Letter Word Alert: (46 words)
agatise, aiglets, alecost, aloetic, amastia, atomics, atomise, caeomas, cagiest, calmest, castile, catalog, catelog, celosia, climate, coalise, coalite, coastal, egotism, elastic, elogist, gametic, gamiest, gelatos, gliomas, goalies, imagoes, isolate, laciest, lactase, lactose, ligates, locates, magical, malacia, malaise, malices, maltose, metical, oatmeal, scatoma, semilog, sigmate, somatic, stoical, tamales