The word supermodels 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: 20
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (62 words)
delouse, demerol, deplore, deplume, deposer, deposes, depress, dousers, dressup, duelers, dumpers, eldress, elopers, eluders, empress, emulsor, espouse, leprous, modeler, modules, molders, morsels, moulder, mousers, moussed, perused, peruses, plumose, plussed, poseurs, prelude, premold, presold, pressed, presume, pulsers, pumelos, redpole, remodel, remolds, remould, reposed, reposes, repulse, resoled, resoles, resumed, resumes, rodless, ruesome, rumless, rumpled, rumples, slopers, slumped, slurped, smolder, solders, sporule, spoused, supered, supreme