Cool MateError vs Fault
When to use each in English, with meaning, register, and examples.
Error
Top 1,000 (very common)A2noun
Fault
Top 1,000 (very common)B2noun
| Error | Fault | |
|---|---|---|
| Pronunciation | 🇬🇧 /["/ˈerə(r)/"]/🇺🇸 /["/ˈerər/"]/ | 🇬🇧 /["/fɔːlt/"]/🇺🇸 /["/fɔːlt/"]/ |
| Meaning | A mistake or something wrong that happens. | A mistake or a problem in something. |
| Example | I made an error in my calculations. | The engineer quickly identified the fault in the electricity supply. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 1,000 (very common) |
| CEFR level | A2 | B2 |
| Part of speech | noun | noun |
| Collocations | egregious, fundamental, glaring, commit, make, cause, arise (from something), occur, result (from something), detection, correction, message, in error, error in, a comedy of errors, an error in judgement/judgment, an error of judgement/judgment | stupid, entire, lie with somebody, at fault, through somebody’s fault, without fault, be all somebody’s fault, be entirely somebody’s fault, be largely somebody’s fault, big, great, moral, have, be blind to, overlook, fault in, for all somebody’s faults, to a fault, major, minor, dangerous, have, develop, look for, occur, lie in something, fault in, fault with, for all its faults, double, foot, serve, earthquake, geological, line, scarp, system |
| Antonyms | success, correctness, accuracy | merit, virtue, advantage |
| Common mistakes | 'Error' confused with 'mistake' – 'error' is usually more formal., Saying 'an error' and 'the error' interchangeably – be consistent with articles., Using 'error' without context – always clarify what type of error. | Confusing 'fault' with 'error' — 'fault' often implies blame., Using 'fault' inappropriately as a verb instead of a noun., Misplacing the article — 'the fault' vs. 'fault'. |
| Usage notes | Use 'error' in both formal and casual contexts when talking about mistakes in writing, computer systems, or decisions. Avoid using it in very casual settings without explanation. | Use 'fault' in both formal and informal conversations when discussing blame or a defect. Avoid using it in overly casual contexts. |
Frequently asked questions: Error vs Fault
What's the difference between Error and Fault?
Error: A mistake or something wrong that happens. Fault: A mistake or a problem in something.
Which is more advanced: Error and Fault?
Fault is the highest level, at B2, on the CEFR scale.
Are Error and Fault the same CEFR level?
Error: A2, Fault: B2 on the CEFR scale.
What part of speech are Error and Fault?
Error: noun, Fault: noun.
Can you show an example of each?
Error: I made an error in my calculations. Fault: The engineer quickly identified the fault in the electricity supply.
Can I use Error and Fault interchangeably?
Not always. Error and Fault are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.