Support
Underside
Underside noun - The side or part facing downward from something.
Mutual synonyms
Cite this Source
Underside and Support. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/support/underside
Support & Underside. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/support/underside>.
Underside or Support. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/support/underside.
Google Ngram Viewer shows how "support" and "underside" have occurred on timeline