The word gonadotropic 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: 22
Highest Scoring Words With Friends™ Play In The Letters gonadotropic
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Seven Letter Word Alert: (41 words)
adoring, apricot, cantrip, caption, carding, carotid, carping, carting, cartoon, coating, cooping, cording, corndog, crating, darting, dogcart, dooring, dragoon, draping, gadroon, gonapod, gonopod, octagon, octopod, odorant, oogonia, orating, oration, organic, parotid, parting, porotic, portico, porting, portion, prating, prootic, rooting, tornado, tracing, trading