Lower regions
Pit and lower regions are semantically related. In some cases you can use "Pit" instead a noun phrase "Lower regions".
Pit
Pit noun - A sunken area forming a separate space.
Mutual synonyms
Cite this Source
Pit and Lower regions. (2016). Retrieved 2026, August 07, from https://thesaurus.plus/related/lower_regions/pit
Lower regions & Pit. N.p., 2016. Web. 07 Aug. 2026. <https://thesaurus.plus/related/lower_regions/pit>.
Pit or Lower regions. 2016. Accessed August 07, 2026. https://thesaurus.plus/related/lower_regions/pit.
Google Ngram Viewer shows how "lower regions" and "pit" have occurred on timeline