The word dextrorotation 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™ Play In The Letters dextrorotation
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Seven Letter Word Alert: (47 words)
adorner, aneroid, attired, attirer, attrite, detrain, dextran, dextrin, dioxane, dottier, drainer, exordia, nattier, nitrate, notated, notator, odorant, oration, ornater, otarine, oxidant, oxidate, randier, rattier, rattoon, readorn, redroot, retrain, rotated, rotator, tainted, tardier, tarried, tattier, terrain, titrate, tornado, tornote, torrent, tradein, trained, trainer, traitor, triaxon, trident, trotted, trotter