The word supermodel 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: 19
Highest Scoring Words With Friends™ Play In The Letters supermodel
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Seven Letter Word Alert: (39 words)
delouse, demerol, deplore, deplume, deposer, duelers, dumpers, elopers, eluders, emulsor, leprous, modeler, modules, molders, moulder, perused, plumose, prelude, premold, presold, presume, pumelos, redpole, remodel, remolds, remould, reposed, repulse, resoled, resumed, ruesome, rumpled, rumples, slumped, slurped, smolder, sporule, supered, supreme