Which to use
“erm” is an intj and “err” is a verb - they look or sound alike but fill different roles in a sentence.
- #21,789
- “erm” frequency rank
- #17,359
- “err” frequency rank
- 39148
- confusion score
Side-by-Side Comparison
| Feature | erm | err |
|---|---|---|
| Definition | Used in hesitant speech, or to express uncertainty. | To make a mistake. |
Where the eye mixes erm and err
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between erm and err
These two trip readers on the page rather than in the ear: erm is /ɜːm/ while err is /ɜː/. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - m in “erm” becomes r in “err”, and the parts of speech differ too (intj vs verb), which is usually the fastest check. Our composite confusion score for this pair is 39148, derived from the frequency rank of both members and their visual similarity.
erm is recorded at frequency rank #21,789, classified as anintj, pronounced /ɜːm/. err is at rank #17,359, tagged as averb, pronounced /ɜː/.
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 39148, this pair ranks #279,376 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of erm vs err
Shared letters: er. Private to "erm": m. Private to "err": -.
"erm" · 3 letters · shape VCC · "err" · 3 letters · shape VCC
Frequently Asked Questions
Is swapping "erm" for "err" ever safe?
Which is more common, "erm" or "err"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "erm" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "err" - compare definitions side by side with the headword page. Word entry
- This pair ranks #279,376 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "erm" and "err" also get mixed up with nearby pairs, the highest-scored neighbour is "Eri vs erm". Nearby pair
Confusion rank #279,376 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.