But once
Formerly and but once are semantically related. in in the past topic. In some cases you can use "Formerly" instead an adverb phrase "But once".
Mutual synonyms
Cite this Source
Formerly and But once. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/but_once/formerly
But once & Formerly. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/but_once/formerly>.
Formerly or But once. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/but_once/formerly.
Google Ngram Viewer shows how "but once" and "formerly" have occurred on timeline