The word anthologist 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: 17
Highest Scoring Words With Friends™ Plays In The Letters anthologist
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Seven Letter Word Alert: (33 words)
agonist, alights, altoist, anglist, galoots, gasohol, glottis, goatish, halting, hatting, hooting, hosting, lagoons, lashing, lasting, lathing, longish, loosing, looting, lotions, ooliths, otolith, salting, shooing, slating, soloing, sooting, stating, station, tasting, tonight, tooling, tooting