Cavity
Cavity noun - A sunken area forming a separate space.
Empty space and cavity are semantically related. In some cases you can use "Empty space" instead a noun "Cavity".
Empty space
Cavity and empty space are semantically related. Sometimes you can use "Cavity" instead a noun phrase "Empty space".
Mutual synonyms
Cite this Source
Empty space and Cavity. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/cavity/empty_space
Cavity & Empty space. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/cavity/empty_space>.
Empty space or Cavity. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/cavity/empty_space.
Google Ngram Viewer shows how "cavity" and "empty space" have occurred on timeline