On
On preposition - Having to do with.
Usage example: books on sports heroes are my favorite reading matter
Of
Of preposition - Having to do with.
Usage example: the librarian read stories of kings and princesses to the youngsters
Show all Definitions
Synonyms for Of
Mutual synonyms
Cite this Source
Of and On. (2016). Retrieved 2026, August 11, from https://thesaurus.plus/related/on/of
On & Of. N.p., 2016. Web. 11 Aug. 2026. <https://thesaurus.plus/related/on/of>.
Of or On. 2016. Accessed August 11, 2026. https://thesaurus.plus/related/on/of.
Google Ngram Viewer shows how "on" and "of" have occurred on timeline