Efficacy and Influence

Efficacy noun - The power to produce a desired result.

Influence is a synonym for efficacy in affect topic. In some cases you can use "Influence" instead a noun "Efficacy", when it comes to topics like efficiency.

Nearby Words: efficient, efficiency, efficacious, efficaciously, efficaciousness

Influence noun - The power to direct the thinking or behavior of others usually indirectly.

Efficacy is a synonym for influence in affect topic. You can use "Efficacy" instead a noun "Influence", if it concerns topics such as effect.

Nearby Words: influenced, influential, influencing, influent