Fail
Both words in one sentence
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No matter how loudly he roars, the citizens fail to notice him, even mistaking him for one of their own.
Source: City of Weirdos - The police fail to help him out of the mess, so he takes matters into his own hands and plans to use potassium cyanide to kill the man, but Sherrod, another addict who's like a son to Bubbles, falls for the trap instead, mistaking the cyanide for heroine.
Source: Break The Cutie / Live-Action TV
Cite this Source
Mistaking and Fail. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/fail/mistaking
Fail & Mistaking. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/fail/mistaking>.
Mistaking or Fail. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/fail/mistaking.
Google Ngram Viewer shows how "fail" and "mistaking" have occurred on timeline