The word galactosemias 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: 22
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (80 words)
agatise, aiglets, aimless, alecost, aliases, aloetic, amastia, ascites, atlases, atomics, atomise, caeomas, cagiest, calmest, castile, castles, catalog, catelog, celosia, climate, closest, closets, coalise, coalite, coastal, cosiest, egoisms, egoists, egotism, elastic, elogist, gametic, gamiest, gelatos, gliomas, glioses, goalies, icemass, imagoes, isolate, laciest, lactase, lactose, ligases, ligates, locates, magical, malacia, malaise, malices, maltose, mascots, massage, metical, miscast, misseat, mitoses, molests, mosaics, oatmeal, oecists, ossicle, sagiest, salaams, salamis, scatoma, seamost, semilog, sigmate, sitcoms, socials, solaces, somatic, somites, stalags, stigmas, stogies, stoical, stomies, tamales