The word caricaturists 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: 20
Highest Scoring Words With Friends™ Play In The Letters caricaturists
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Seven Letter Word Alert: (20 words)
accurst, arctics, artists, autists, carcass, caustic, circuit, critics, racists, rustics, satiric, sciatic, statics, straits, stratas, stratus, tactics, tartars, tictacs, tsarist