The word ornithologist 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: 19
Highest Scoring Words With Friends™ Play In The Letters ornithologist
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Seven Letter Word Alert: (46 words)
girlish, glottis, grottos, hitting, hooting, horsing, hosting, ignitor, insight, intorts, listing, longish, loosing, looting, lotions, nostril, oligist, ooliths, oolongs, origins, otolith, rioting, risotto, roiling, rooting, rotting, shooing, shoring, silting, sirloin, sitting, soiling, soloing, sooting, sorting, storing, throngs, tigrish, tilings, tilting, tithing, toiling, tonight, tooling, tooting, torsion