The word sporulate 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: 14
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (30 words)
apostle, elutors, estrual, leprous, outleap, outraps, outspar, palters, paroles, pasture, patrols, perusal, petrols, plaster, platers, plouter, portals, posture, poulter, pouters, pulsate, replots, saluter, seaport, sporule, spouter, stapler, troupes, uprates, urostea