The word prospective 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: 24
Highest Scoring Words With Friends™ Play In The Letters prospective
:
Seven Letter Word Alert: (55 words)
coesite, copiers, coppers, coterie, coverts, coveter, epitope, erosive, erotics, erotise, evictor, overset, oversit, overtip, pectose, peptise, percept, pierces, pivoter, poetics, poetise, potpies, precept, precise, receipt, recipes, recites, repipes, repivot, rescope, respect, respice, respite, restive, revoice, revotes, ripstop, ropiest, scepter, sceptre, service, sievert, soppier, specter, spectre, stepper, stopper, tippers, toppers, triceps, tropics, vectors, vetoers, victors, voicers