Which to use
“perdurent” and “perdurer” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #42,517
- “perdurent” frequency rank
- #26,127
- “perdurer” frequency rank
- 68644
- confusion score
Side-by-Side Comparison
| Feature | perdurent | perdurer |
|---|---|---|
| Definition | Troisième personne du pluriel du présent de l’indicatif de perdurer. | Durer un certain temps. |
Where the eye mixes perdurent and perdurer
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. perdurent runs 9 letters (CVCCVCVCC) against perdurer's 8 (CVCCVCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between perdurent and perdurer
A purely visual mix-up. perdurent (\pɛʁ.dyʁ\) and perdurer (\pɛʁ.dy.ʁe\) 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 1 letter(s) in length. Our composite confusion score for this pair is 68644, derived from the frequency rank of both members and their visual similarity.
perdurent is recorded at frequency rank #42,517, classified as averb, pronounced \pɛʁ.dyʁ\. perdurer is at rank #26,127, tagged as averb, pronounced \pɛʁ.dy.ʁe\.
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 68644, this pair ranks #58,305 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of perdurent vs perdurer
Shared letters: depru. Private to "perdurent": nt. Private to "perdurer": -.
"perdurent" · 9 letters · shape CVCCVCVCC · "perdurer" · 8 letters · shape CVCCVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "perdurent" for "perdurer" ever safe?
In ordinary French text, does "perdurent" or "perdurer" show up more?
After this comparison
Eye-level mix-up between "perdurent" and "perdurer" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "perdurent" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "perdurer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #58,305 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "perdurent" and "perdurer" also get mixed up with nearby pairs, the highest-scored neighbour is "perdurent vs périrent". 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 #58,305 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.