Fault
Fault noun - An unintentional departure from truth or accuracy.
Usage example: there's a fault somewhere in the program
Mistake is a synonym for fault in error topic. In some cases you can use "Mistake" instead the word "Fault" as a noun or a verb, when it comes to topics like blunder, glitch. popular alternative
Mistake
Mistake noun - A wrong judgment.
Usage example: I made a mistake when I assumed that you were looking for a serious relationship
Fault is a synonym for mistake in error topic. You can use "Fault" instead the word "Mistake" as a noun or a verb, if it concerns topics such as oversight, blunder, misconduct, glitch. popular alternative
Mutual synonyms
How words are described
| particular | particular fault | particular mistake |
| similar | similar fault | similar mistake |
| common | common fault | common mistake |
| original | original fault | original mistake |
| Other adjectives: genuine, single, stupid, small, actual, real, big, great, grievous, serious, unfortunate, little, bad, terrible, innocent, major, past, minor, worst, greatest, biggest. | ||
Common collocations
Both words in one sentence
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This includes a little girl shouting at another, and a girl saying "I'm a mistake, it's always my fault".
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This is most critical if the mistake isn't your fault — say, the Chinese factory was acting on its own.
Source: Internet Counterattack - Edward turns it down, because the brothers believed that, as it's their own fault for losing their bodies, they won't have anyone pay for their mistake, even their own father.
Cite this Source
Mistake and Fault. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fault/mistake
Fault & Mistake. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fault/mistake>.
Mistake or Fault. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fault/mistake.
Google Ngram Viewer shows how "fault" and "mistake" have occurred on timeline