EFFICACY

capacity for producing a desired result or effect; effectiveness
effectiveness [n EFFICACIES]
effectiveness (the quality of being effective) [n EFFICACIES]

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EFFETE EFFETELY EFFETENESS EFFETENESSES EFFICACIES EFFICACIOUS EFFICACIOUSLY EFFICACIOUSNESS EFFICACITIES EFFICACITY

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EFFICIENCE EFFICIENCES EFFICIENCIES EFFICIENCY EFFICIENT EFFICIENTLY EFFICIENTS EFFIERCE EFFIERCED EFFIERCES

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