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Efficency vs Efficacious - What's the difference?

efficency | efficacious |

Efficency is likely misspelled.


Efficency has no English definition.

As an adjective efficacious is

effective; possessing efficacy.

efficency

Not English

Efficency has no English definition. It may be misspelled.

efficacious

English

Adjective

(en adjective)
  • effective; possessing efficacy