Cavity
Cavity noun - A sunken area forming a separate space.
Separation and cavity are semantically related. In some cases you can use "Separation" instead a noun "Cavity".
Separation
Separation noun - An open space in a barrier (as a wall or hedge).
Usage example: the narrow separation between posts in the fence
Cavity and separation are semantically related. Sometimes you can use "Cavity" instead a noun "Separation".
Mutual synonyms
Cite this Source
Separation and Cavity. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/cavity/separation
Cavity & Separation. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/cavity/separation>.
Separation or Cavity. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/cavity/separation.
Google Ngram Viewer shows how "cavity" and "separation" have occurred on timeline