The word anathematised 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: 20
Highest Scoring Words With Friends™ Play In The Letters anathematised
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Seven Letter Word Alert: (67 words)
adamant, amanita, amastia, amentia, amnesia, anaemia, animate, aniseed, anthems, ashamed, atheise, atheism, atheist, attains, attends, dataset, demates, demeans, dements, dentate, dentist, destain, destine, detains, detents, distant, emanate, emitted, ethanes, haemins, handset, hastate, headman, headmen, headset, heisted, inmates, instate, instead, itemset, maidens, manatee, mandate, matinee, meanest, meanies, medians, mediate, methane, mindset, misdate, mittens, neatest, sainted, satiate, seamaid, sideman, smitten, stained, stamina, standee, steamed, stented, stinted, tainted, tandems, teatime