Inefficaciousness and Incompetency

Inefficaciousness

Inefficaciousness noun - A lack of efficacy.

Incompetency and inefficaciousness are semantically related. In some cases you can use "Incompetency" instead a noun "Inefficaciousness".

Incompetency

Incompetency noun - The lack of sufficient ability, power, or means.
Usage example: the incompetency of the secretary was revealed only after she had left the company, and her successor discovered years of filing left undone

Inefficaciousness and incompetency are semantically related. You can use "Inefficaciousness" instead a noun "Incompetency".
Cite this Source
Incompetency and Inefficaciousness. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/inefficaciousness/incompetency
Inefficaciousness & Incompetency. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/inefficaciousness/incompetency>.
Incompetency or Inefficaciousness. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/inefficaciousness/incompetency.
Google Ngram Viewer shows how "inefficaciousness" and "incompetency" have occurred on timeline