Efficacy
Validness
Validness noun - The quality of having legal force or effectiveness.
Efficacy and validness are semantically related in energy topic. Sometimes you can use "Efficacy" instead a noun "Validness", if it concerns topics such as influence, genuineness, authenticity.
Mutual synonyms
Related pairs
- power and efficacy
- power and validness
- force and efficacy
- force and validness
- strength and efficacy
- strength and validness
- performance and efficacy
- performance and validness
- effect and efficacy
- effect and validness
- influence and efficacy
- influence and validness
- authority and efficacy
- authority and validness
Cite this Source
Validness and Efficacy. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/efficacy/validness
Efficacy & Validness. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/efficacy/validness>.
Validness or Efficacy. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/efficacy/validness.
Google Ngram Viewer shows how "efficacy" and "validness" have occurred on timeline