The word balkanising 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: 23
Highest Scoring Words With Friends™ Play In The Letters balkanising
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Seven Letter Word Alert: (22 words)
abasing, aisling, anginal, anginas, bailing, balking, banking, banksia, basking, biasing, bilking, inkling, kilning, lignins, likings, linings, linking, nailing, sailing, sibling, sinking, snaking