Cavity
Cavity noun - A sunken area forming a separate space.
Shell hole and cavity are semantically related in pit topic. In some cases you can use "Shell hole" instead a noun "Cavity".
Shell hole
Cavity and shell hole are semantically related in pit topic. You can use "Cavity" instead a noun phrase "Shell hole".
Cite this Source
Shell hole and Cavity. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/cavity/shell_hole
Cavity & Shell hole. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/cavity/shell_hole>.
Shell hole or Cavity. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/cavity/shell_hole.
Google Ngram Viewer shows how "cavity" and "shell hole" have occurred on timeline