The word clairvoyance 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: 26
Highest Scoring Words With Friends™ Play In The Letters clairvoyance
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Seven Letter Word Alert: (54 words)
acerval, acrylic, acyloin, aeolian, aileron, alveary, avarice, calcine, caloric, calorie, carinae, carinal, carvone, cavalry, caviler, clarion, clavier, clayier, cloacae, coalier, cocaine, coeliac, concave, conceal, conical, corneal, cornice, cornily, cranial, crayola, cryonic, cyclane, cyclone, cynical, inlayer, laconic, larceny, layover, naively, oceanic, olivary, ovarian, overlay, ovinely, reavail, vacancy, vaccine, valance, valency, variola, velaria, velaric, viceroy, vocalic