The word controllable 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: 22
Highest Scoring Words With Friends™ Plays In The Letters controllable
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Seven Letter Word Alert: (24 words)
balloon, baronet, bloater, boolean, cartoon, central, collate, colonel, control, coolant, corneal, corolla, coronal, coronet, enactor, lactone, locator, netball, notable, ocellar, octoban, october, reallot, toolbar