The word levorotation 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: 18
Highest Scoring Words With Friends™ Plays In The Letters levorotation
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Seven Letter Word Alert: (28 words)
aileron, elation, latrine, loonier, nattier, nitrate, notator, oration, otarine, otolite, ovation, overlit, ratline, rattoon, raviolo, reliant, retinal, retinol, retotal, rootlet, tertial, toenail, tootler, tornote, trenail, ventral, violate, violent