Declivities
Falls and declivities are semantically related. In some cases you can use "Falls" instead a noun "Declivities".
Falls
Falls noun - A steep descent of the water of a river.
Cite this Source
Falls and Declivities. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/declivities/falls
Declivities & Falls. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/declivities/falls>.
Falls or Declivities. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/declivities/falls.
Google Ngram Viewer shows how "declivities" and "falls" have occurred on timeline