The word superfetates 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™ Plays In The Letters superfetates
:
Seven Letter Word Alert: (62 words)
asperse, astuter, austere, epurate, estates, estuate, euaster, fastest, feature, festers, fetters, fetuses, pasters, pasture, patters, perfuse, peruses, pesters, presets, pretest, putters, refuses, refutes, repaste, repasts, repeats, reseats, restate, resteps, retapes, retaste, retests, seaters, septate, septets, serapes, setfast, settees, setters, sparest, spatter, sputter, startup, staters, statues, stature, steeper, stratus, streets, stupers, tapster, tasters, teasers, teeters, tersest, testers, trustee, tufters, uprates, upstart, upstate, ureases