The word sadomasochistic 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: 27
Highest Scoring Words With Friends™ Play In The Letters sadomasochistic
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Seven Letter Word Alert: (39 words)
accosts, atomics, cahoots, chamois, chaotic, chassis, cicadas, coadmit, diatoms, dismiss, domatia, domatic, dotcoms, iodisms, ischiac, mascots, mastoid, miscast, missaid, mitosis, mosaics, moschid, octadic, osmosis, osmotic, sadisms, sadists, scatoma, schisms, schists, sciatic, scotoma, sitcoms, smooths, sodomic, somatic, somitic, stomach, toadish