Which to use
“err” is a verb and “error” is a noun - they look or sound alike but fill different roles in a sentence.
- #17,359
- “err” frequency rank
- #2,731
- “error” frequency rank
- 20090
- confusion score
Side-by-Side Comparison
| Feature | err | error |
|---|---|---|
| Definition | To make a mistake. | The state, quality, or condition of being wrong. |
Where the eye mixes err and error
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses err with error
These two trip readers on the page rather than in the ear: err is /ɜː/ while error is /ˈɛɹə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “err” sits inside “error”, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 20090, derived from the frequency rank of both members and their visual similarity.
err is recorded at frequency rank #17,359, classified as averb, pronounced /ɜː/. error is at rank #2,731, tagged as anoun, pronounced /ˈɛɹə/.
Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.
With a confusion score of 20090, this pair ranks #433,543 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of err vs error
Shared letters: er. Private to "err": -. Private to "error": o.
"err" · 3 letters · shape VCC · "error" · 5 letters · shape VCCVC
Known mistypes of this pair
- error ← eror · erorr · errorr · errro · reror
Frequently Asked Questions
Do "err" and "error" mean the same thing in a sentence?
In ordinary English text, does "err" or "error" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "err" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "error" - compare definitions side by side with the headword page. Word entry
- This pair ranks #433,543 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "err" and "error" also get mixed up with nearby pairs, the highest-scored neighbour is "Eri vs err". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #433,543 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.