Depressions
Hollow and depressions are semantically related. in concavity topic. In some cases you can use "Hollow" instead a noun "Depressions".
Hollow
Hollow noun - A sunken area forming a separate space.
Depressions and hollow are semantically related. Sometimes you can replace term "Depressions" with "Hollow", this nouns are similar.
Mutual synonyms
Cite this Source
Hollow and Depressions. (2016). Retrieved 2026, August 01, from https://thesaurus.plus/related/depressions/hollow
Depressions & Hollow. N.p., 2016. Web. 01 Aug. 2026. <https://thesaurus.plus/related/depressions/hollow>.
Hollow or Depressions. 2016. Accessed August 01, 2026. https://thesaurus.plus/related/depressions/hollow.
Google Ngram Viewer shows how "depressions" and "hollow" have occurred on timeline