The word deterioration 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: 15
Highest Scoring Words With Friends™ Plays In The Letters deterioration
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Seven Letter Word Alert: (72 words)
adorner, aneroid, arenite, attired, attirer, denarii, dentate, dernier, detrain, dietine, diorite, dirtier, dottier, drainer, edition, entreat, etaerio, inditer, inerter, inertia, iterate, nattier, nerdier, nitrate, nitride, nitrite, nittier, notated, notator, odorant, oration, ornater, otarine, rainier, randier, rattier, rattoon, readier, readorn, redroot, reinter, retired, retrade, retrain, retread, retreat, retried, rotated, rotator, tainted, tardier, tarried, tearier, tentier, ternate, terrain, terrane, tintier, tireder, tornado, tornote, torrent, tradein, trained, trainee, trainer, traitor, treader, treated, treater, triaene, trident