Bottom level
Depth and bottom level are semantically related. In some cases you can use "Depth" instead a noun phrase "Bottom level".
Depth
Depth noun - Distance measured from the top to the bottom of something.
Cite this Source
Depth and Bottom level. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/bottom_level/depth
Bottom level & Depth. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/bottom_level/depth>.
Depth or Bottom level. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/bottom_level/depth.
Google Ngram Viewer shows how "bottom level" and "depth" have occurred on timeline