On
On preposition - Having to do with.
Usage example: books on sports heroes are my favorite reading matter
Over
Over preposition - In random positions within the boundaries of.
Usage example: marbles scattered all over the room
Mutual synonyms
Cite this Source
Over and On. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/on/over
On & Over. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/on/over>.
Over or On. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/on/over.
Google Ngram Viewer shows how "on" and "over" have occurred on timeline