The word demilitarized 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: 28
Highest Scoring Words With Friends™ Play In The Letters demilitarized
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Seven Letter Word Alert: (53 words)
admired, airtime, alerted, altered, azimide, deaired, delated, delimed, delimit, deliria, demated, demerit, diazide, diimide, dilated, dilater, dimeter, dirtied, ditzier, dreamed, emailed, emerald, emirate, iridize, itemize, limeade, limited, limiter, maltier, marlite, mealier, meatier, meddler, mediate, merited, metaled, metrize, militar, militia, mitered, readied, readmit, realize, redated, redealt, related, remated, retiled, retimed, timider, trailed, treaded, treadle