Error vs Mistakes

When to use each in English, with meaning, register, and examples.

Error

Top 1,000 (very common) A2 noun

Mistakes

Top 1,000 (very common)

	Error	Mistakes
Pronunciation	🇬🇧 /["/ˈerə(r)/"]/ 🇺🇸 /["/ˈerər/"]/	🇬🇧 //mɪˈsteɪks// 🇺🇸 //mɪˈsteɪks//
Meaning	A mistake or something wrong that happens.	Errors or things done wrong.
Example	I made an error in my calculations.	He learned from his mistakes.
Register	Neutral	Neutral
How common	Top 1,000 (very common)	Top 1,000 (very common)
CEFR level	A2	-
Part of speech	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	make a mistake, learn from mistakes, correct mistakes
Antonyms	success, correctness, accuracy	correctness, accuracy, perfection
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.	Confused with 'mistake' as a noun and 'mistakes' as a plural form., Used incorrectly with 'make' (e.g., 'make mistakes' not 'do mistakes').
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.	Used in many contexts to refer to errors. Avoid in formal writing unless discussing specific errors academically.

See it in real clips

Band Of Brothers › S1 E1

Took your jacket by mistake.

Agatha Christies Poirot › S1 E1

There must be some mistake.

Agents of S.H.I.E.L.D. › S1 E1

Well, you made a little mistake.

Band Of Brothers › S1 E1

Took your jacket by mistake.

Agatha Christies Poirot › S1 E1

There must be some mistake.

Mistakes

Frequently asked questions: Error vs Mistakes

What's the difference between Error and Mistakes?

Error: A mistake or something wrong that happens. Mistakes: Errors or things done wrong.

Can you show an example of each?

Error: I made an error in my calculations. Mistakes: He learned from his mistakes.

Can I use Error and Mistakes interchangeably?

Not always. Error and Mistakes 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.