On
On adverb - Toward a point ahead in space or time.
Under and on are semantically related in over topic. In some cases you can use "Under" instead a preposition "On", when it comes to topics like of.
Under
Under adverb - In or to a lower place.
On and under are semantically related in over topic. Sometimes you can use "On" instead a preposition "Under", if it concerns topics such as of.
Cite this Source
Under and On. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/on/under
On & Under. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/on/under>.
Under or On. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/on/under.
Google Ngram Viewer shows how "on" and "under" have occurred on timeline