Which to use
“ren” and “rerun” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #15,896
- “ren” frequency rank
- #33,001
- “rerun” frequency rank
- 48897
- confusion score
Side-by-Side Comparison
| Feature | ren | rerun |
|---|---|---|
| Definition | A kidney. | An act or instance of rerunning; a repetition. |
Where the eye mixes ren and rerun
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses ren with rerun
A purely visual mix-up. ren (/ɹɛn/) and rerun (/ˈɹiːɹʌn/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 letter(s) in length. Our composite confusion score for this pair is 48897, derived from the frequency rank of both members and their visual similarity.
ren is recorded at frequency rank #15,896, classified as anoun, pronounced /ɹɛn/. rerun is at rank #33,001, tagged as anoun, pronounced /ˈɹiːɹʌn/.
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 48897, this pair ranks #188,734 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ren vs rerun
Shared letters: enr. Private to "ren": -. Private to "rerun": u.
"ren" · 3 letters · shape CVC · "rerun" · 5 letters · shape CVCVC
Known mistypes of this pair
- rerun ← errun · rernu · rerrun · rerunn · reurn · rrerun · rreun
Frequently Asked Questions
Is swapping "ren" for "rerun" ever safe?
Frequency check: "ren" vs "rerun" - which ranks higher?
What to do next
Eye-level mix-up between "ren" and "rerun" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "ren" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "rerun" - compare definitions side by side with the headword page. Word entry
- This pair ranks #188,734 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "ren" and "rerun" also get mixed up with nearby pairs, the highest-scored neighbour is "rebut vs rerun". 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 #188,734 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.