The word indoctrinate 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: 18
Highest Scoring Words With Friends™ Play In The Letters indoctrinate
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Seven Letter Word Alert: (69 words)
aconite, ancient, andiron, aneroid, anionic, attired, cairned, cannier, cantred, carotid, catenin, cattier, certain, citator, citrate, citrine, cittern, codetta, conidia, contain, contend, content, cordate, cornett, crinoid, denarii, detract, detrain, dictate, diction, diorite, dottier, edition, enactor, entrain, entrant, erotica, incited, inciter, inditer, inertia, intoned, intoner, nattier, nictate, nitrate, nitride, nitrite, nittier, nonacid, nondate, nondiet, notated, noticed, otarine, ricotta, rotated, tacnode, tainted, tantric, tetanic, tinnier, tintier, titanic, tradein, trained, tranced, triadic, trident