Concentrations
Observances and concentrations are semantically related. In some cases you can use "Observances" instead a noun "Concentrations".
Observances
Concentrations and observances are semantically related. Sometimes you can use "Concentrations" instead a noun "Observances".
Mutual synonyms
Cite this Source
Observances and Concentrations. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/concentrations/observances
Concentrations & Observances. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/concentrations/observances>.
Observances or Concentrations. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/concentrations/observances.
Google Ngram Viewer shows how "concentrations" and "observances" have occurred on timeline