The word somersaults 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: 16
Highest Scoring Words With Friends™ Play In The Letters somersaults
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Seven Letter Word Alert: (65 words)
amulets, armless, armlets, arouses, artless, asserts, assorts, assumer, assumes, assures, elutors, emulsor, estrous, estrual, estrums, lassoer, lassoes, lessors, lotuses, lusters, maestro, maltose, masseur, masters, matures, maulers, molests, morales, morsels, mortals, morulas, mousers, mousses, mussels, musters, oarless, oestrus, ostlers, ousters, results, rumless, russets, rustles, saluter, salutes, seamost, serumal, slaters, solutes, sortals, sourest, sterols, streams, stroams, stromal, sutlers, taluses, tassels, toruses, tossers, tousles, tramels, trusses, tussles, urostea