Which to use
“perdurer” and “perturber” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #26,127
- “perdurer” frequency rank
- #13,862
- “perturber” frequency rank
- 39989
- confusion score
Side-by-Side Comparison
| Feature | perdurer | perturber |
|---|---|---|
| Definition | Durer un certain temps. | Troubler, changer les habitudes, la condition physique ou psychique d'un individu. |
Where the eye mixes perdurer and perturber
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. perdurer runs 8 letters (CVCCVCVC) against perturber's 9 (CVCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between perdurer and perturber
A purely visual mix-up. perdurer (\pɛʁ.dy.ʁe\) and perturber (\pɛʁ.tyʁ.be\) 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 39989, derived from the frequency rank of both members and their visual similarity.
perdurer is recorded at frequency rank #26,127, classified as averb, pronounced \pɛʁ.dy.ʁe\. perturber is at rank #13,862, tagged as averb, pronounced \pɛʁ.tyʁ.be\.
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 39989, this pair ranks #243,849 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of perdurer vs perturber
Shared letters: epru. Private to "perdurer": d. Private to "perturber": bt.
"perdurer" · 8 letters · shape CVCCVCVC · "perturber" · 9 letters · shape CVCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "perdurer" and "perturber" be used interchangeably?
Which is more common, "perdurer" or "perturber"?
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 "perdurer" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "perturber" - compare definitions side by side with the headword page. Word entry
- This pair ranks #243,849 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "perdurer" and "perturber" also get mixed up with nearby pairs, the highest-scored neighbour is "perdrez vs perdurer". 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 #243,849 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.