The word detribalize 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: 25
Highest Scoring Words With Friends™ Play In The Letters
Seven Letter Word Alert: (28 words)
alerted, altered, beadier, bedrail, belated, berated, bleated, bleater, blitzed, brailed, braized, debater, deliria, dilater, ditzier, driblet, libated, realize, rebaled, rebated, rebited, redealt, related, retiled, trailed, treadle, trebled, triable