The word epidemiological 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: 29
Highest Scoring Words With Friends™ Play In The Letters epidemiological
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Seven Letter Word Alert: (60 words)
aedilic, alcogel, alleged, apogeic, calomel, camelid, cedilla, claimed, clamped, clomped, codilla, codille, collage, college, collide, colloid, compile, decalog, decimal, declaim, digicam, diploma, elegaic, elegiac, emailed, emplace, geocell, geocode, geodome, geoidal, glamped, gleamed, gloamed, icepail, illmade, illogic, impaled, implied, implode, lapeled, limeade, lipidic, logical, medical, medigap, megapod, melodic, micella, micelle, mileage, oldlace, pedicel, pedicle, pelagic, pillage, placode, ploidal, ploidic, polemic, policed