Fail
Fail verb - To stop functioning.
Faint
Faint verb - To lose consciousness.
Fail and faint are semantically related in pass out topic. Sometimes you can use "Fail" instead a verb "Faint", if it concerns topics such as lose consciousness.
Common collocations
Cite this Source
Faint and Fail. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/fail/faint
Fail & Faint. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/fail/faint>.
Faint or Fail. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/fail/faint.
Google Ngram Viewer shows how "fail" and "faint" have occurred on timeline