Coextensive and Underlying

Coextensive

Coextensive adjective - Occupying the same space.
Usage example: South Dakota's Todd County is coextensive with the Rosebud Sioux Reservation

Underlying and coextensive are semantically related. In some cases you can use "Underlying" instead an adjective "Coextensive".

Underlying

Underlying adjective - Of or relating to the simplest facts or theories of a subject.

Coextensive and underlying are semantically related. Sometimes you can use "Coextensive" instead an adjective "Underlying".
Cite this Source
Underlying and Coextensive. (2016). Retrieved 2026, August 14, from https://thesaurus.plus/related/coextensive/underlying
Coextensive & Underlying. N.p., 2016. Web. 14 Aug. 2026. <https://thesaurus.plus/related/coextensive/underlying>.
Underlying or Coextensive. 2016. Accessed August 14, 2026. https://thesaurus.plus/related/coextensive/underlying.
Google Ngram Viewer shows how "coextensive" and "underlying" have occurred on timeline