The word restrictively 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: 23
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (56 words)
clerisy, clitter, critter, elicits, elitist, erectly, evilest, eyeslit, letters, litters, reciter, recites, reliers, relives, reslice, restive, restyle, retiles, retilts, retires, retitle, retries, revelry, reverts, reviler, reviles, reviser, revisit, riveter, service, servile, servlet, settler, sievert, siltier, silvery, slitter, sterile, stilter, stivier, striver, stylier, svelter, sylvite, tersely, testier, testily, tilters, trestle, trisect, trivets, tryster, veilers, veilier, vesicle, vittles