The word nymphomaniacal 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: 33
Highest Scoring Words With Friends™ Play In The Letters nymphomaniacal
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Seven Letter Word Alert: (33 words)
acapnia, acholia, acyloin, alimony, almanac, ammonia, ammonic, animacy, anomaly, aphonia, campily, campion, cannily, cannoli, chapman, chyloma, claypan, coalman, company, halcyon, lampman, mailman, malacia, nomancy, nominal, nonclay, nonmail, nonplay, nymphal, nymphic, phonily, pliancy, ponyman