The word forefingers 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 forefingers
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Seven Letter Word Alert: (31 words)
feesing, feigner, ferries, fingers, foreign, forgers, forseen, freeing, fringer, fringes, girners, goniffs, greisen, ignores, ironers, negroes, offense, reefing, reffing, refiner, refines, refires, reforge, refries, regions, reigner, reoffer, rerinse, ringers, signoff, sniffer