Ferment
Soured
Soured adjective - Having turned bad.
Cite this Source
Soured and Ferment. (2016). Retrieved 2026, August 10, from https://thesaurus.plus/related/ferment/soured
Ferment & Soured. N.p., 2016. Web. 10 Aug. 2026. <https://thesaurus.plus/related/ferment/soured>.
Soured or Ferment. 2016. Accessed August 10, 2026. https://thesaurus.plus/related/ferment/soured.
Google Ngram Viewer shows how "ferment" and "soured" have occurred on timeline