The word demonolatry 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 demonolatry
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Seven Letter Word Alert: (28 words)
almoner, anymore, delator, doorman, doormat, doormen, dormant, draymen, earldom, earmold, leotard, lyrated, malodor, mandrel, mantled, mordant, mordent, motored, notedly, odorant, roadmen, tearoom, tonearm, toolman, toolmen, tornado, tremolo, yardmen