Concavities
Falls and concavities are semantically related. In some cases you can use "Falls" instead a noun "Concavities".
Falls
Falls noun - A steep descent of the water of a river.
Cite this Source
Falls and Concavities. (2016). Retrieved 2026, August 12, from https://thesaurus.plus/related/concavities/falls
Concavities & Falls. N.p., 2016. Web. 12 Aug. 2026. <https://thesaurus.plus/related/concavities/falls>.
Falls or Concavities. 2016. Accessed August 12, 2026. https://thesaurus.plus/related/concavities/falls.
Google Ngram Viewer shows how "concavities" and "falls" have occurred on timeline