The word leiomyosarcoma 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: 26
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (65 words)
acylase, aerials, aerosol, aircool, amylase, areolas, caeomas, calorie, cameras, caramel, celosia, claimer, clammer, clamors, clayier, clerisy, cloyers, coalers, coalier, coalise, coeloms, coolers, crayola, creosol, eclairs, escolar, immoral, loamier, macrame, mailcar, mailers, maimers, malaise, malices, mayoral, memoirs, miasmal, miracle, miserly, misrely, morales, mycelia, myeloic, myeloma, oolemma, oracles, orioles, realism, reclaim, recoals, recoils, remails, rosacea, rosalic, roseola, sarcoma, scalier, scarily, scoriae, screamy, searoom, slammer, slimmer, solacer, yammers