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Spell Check of efficacy

Correct spelling: efficacy

Definition of efficacy:

  1. Power to produce a given effect.

Common misspellings for efficacy:

ethicacy, efficancy, effieancy, effecancy, effacacy.


Google Ngram Viewer results for efficacy:

This graph shows how "efficacy" have occurred between 1800 and 2008 in a corpus of English books.

Examples of usage for efficacy:

  1. The little clouds of sand that issue at short intervals from each cavity afford evidence of the efficacy of these implements and the industry of those that use them. –  by
  2. It is only when its magical efficacy is intensely believed that it can go on. –  by
  3. There is, however, another way of approaching the meaning of images, namely through their causal efficacy –  by