The word recalcitrated 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: 21
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (96 words)
acceder, accited, accrete, acerate, acetate, aerated, airdate, alerted, alerter, altered, article, attired, attirer, calcite, caldera, cardiac, carried, catered, caterer, cattail, cattier, circled, circler, circlet, citadel, citrate, clatter, cleared, clearer, clitter, created, critter, dealate, declare, decrial, decrier, deltaic, deltate, detract, dialect, dictate, dilater, earlier, erratic, iterate, lactate, lardier, lattice, racecar, radiate, radical, radicel, radicle, railcar, ratrace, rattail, rattier, rattled, rattler, reacted, readier, realter, recital, recited, reciter, recrate, redealt, relaced, related, relater, retiled, retired, retitle, retrace, retract, retrade, retread, retreat, retrial, retried, tactile, tardier, tarried, teacart, tearier, terrace, tertial, tiaraed, tireder, trailed, trailer, treacle, treader, treadle, treated, treater