On to
On and on to are semantically related. In some cases you can use "On" instead a preposition phrase "On to".
On
On adjective - Being in effective operation.
Cite this Source
On and On to. (2016). Retrieved 2026, July 31, from https://thesaurus.plus/related/on_to/on
On to & On. N.p., 2016. Web. 31 Jul. 2026. <https://thesaurus.plus/related/on_to/on>.
On or On to. 2016. Accessed July 31, 2026. https://thesaurus.plus/related/on_to/on.
Google Ngram Viewer shows how "on to" and "on" have occurred on timeline