The word recalcitrance is playable in Words With Friends™, but 1 blank substituting for the letter 'c' is 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: 20
Highest Scoring Words With Friends™ Plays In The Letters
Seven Letter Word Alert: (62 words)
accrete, acerate, alerter, alicant, arenite, article, calcine, calcite, carinae, carinal, caterer, central, centric, certain, circler, circlet, cleaner, clearer, cranial, earlier, eccrine, enteral, enteric, enticer, erratic, eternal, inerter, latrine, learner, lectern, licence, lineate, narrate, racecar, railcar, ratline, ratrace, realter, recital, reciter, reclean, recline, recrate, reenact, reinter, relater, relearn, reliant, retinal, retrace, retrain, retrial, tearier, terrace, terrain, terrane, trailer, trainee, trainer, treacle, trenail, triaene