The word gastrectomy 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 gastrectomy
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Seven Letter Word Alert: (31 words)
cargoes, cattery, coaster, corsage, costate, cottage, cotters, cystoma, cytomas, garotte, geostat, grayest, gyrates, maestro, mastery, matters, octamer, recoats, retoast, rotates, scatter, screamy, smatter, stomate, storage, streamy, targets, testacy, toaster, tomcats, tyromas