Efficacy
Efficacy noun - The power to produce a desired result.
Persistence and efficacy are semantically related. In some cases you can use "Persistence" instead a noun "Efficacy".
Persistence
Persistence noun - Uninterrupted or lasting existence.
Efficacy and persistence are semantically related. Sometimes you can use "Efficacy" instead a noun "Persistence".
How words are described
Cite this Source
Persistence and Efficacy. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/efficacy/persistence
Efficacy & Persistence. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/efficacy/persistence>.
Persistence or Efficacy. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/efficacy/persistence.
Google Ngram Viewer shows how "efficacy" and "persistence" have occurred on timeline