The word incarcerated 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: 20
Highest Scoring Words With Friends™ Plays In The Letters incarcerated
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Seven Letter Word Alert: (67 words)
acceder, accited, accrete, acerate, aerated, airdate, antacid, arenite, cadence, cairned, cantred, cardiac, carinae, carried, catered, caterer, centred, centric, certain, created, decrier, dernier, detrain, drainer, eccrine, enacted, enteric, enticed, enticer, erratic, inerter, narrate, nerdier, racecar, radiant, radiate, randier, ratrace, reacted, readier, recaned, recited, reciter, recrate, reenact, reinter, retired, retrace, retrade, retrain, retread, retried, tardier, tarried, tearier, terrace, terrain, terrane, tiaraed, tireder, tradein, trained, trainee, trainer, tranced, treader, triaene