Connection
Connection noun - The fact or state of having something in common.
Efficacy and connection are semantically related. In some cases you can use "Efficacy" instead a noun "Connection".
Efficacy
Efficacy noun - The power to produce a desired result.
Connection and efficacy are semantically related. Sometimes you can use "Connection" instead a noun "Efficacy".
Mutual synonyms
How words are described
Cite this Source
Efficacy and Connection. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/connection/efficacy
Connection & Efficacy. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/connection/efficacy>.
Efficacy or Connection. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/connection/efficacy.
Google Ngram Viewer shows how "connection" and "efficacy" have occurred on timeline