Contrivances
Efficiencies and contrivances are semantically related. In some cases you can use "Efficiencies" instead a noun "Contrivances".
Efficiencies
Contrivances and efficiencies are semantically related. Sometimes you can use "Contrivances" instead a noun "Efficiencies".
Mutual synonyms
Cite this Source
Efficiencies and Contrivances. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/contrivances/efficiencies
Contrivances & Efficiencies. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/contrivances/efficiencies>.
Efficiencies or Contrivances. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/contrivances/efficiencies.
Google Ngram Viewer shows how "contrivances" and "efficiencies" have occurred on timeline