Which to use
“perdirent” and “perdurent” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #42,516
- “perdirent” frequency rank
- #42,517
- “perdurent” frequency rank
- 85033
- confusion score
Side-by-Side Comparison
| Feature | perdirent | perdurent |
|---|---|---|
| Definition | Troisième personne du pluriel du passé simple de perdre. | Troisième personne du pluriel du présent de l’indicatif de perdurer. |
Where the eye mixes perdirent and perdurent
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. perdirent and perdurent follow the identical consonant-vowel pattern (CVCCVCVCC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: perdirent vs perdurent
A purely visual mix-up. perdirent (\pɛʁ.diʁ\) and perdurent (\pɛʁ.dyʁ\) 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 a single letter - i in “perdirent” becomes u in “perdurent”. Our composite confusion score for this pair is 85033, derived from the frequency rank of both members and their visual similarity.
perdirent is recorded at frequency rank #42,516, classified as averb, pronounced \pɛʁ.diʁ\. perdurent is at rank #42,517, tagged as averb, pronounced \pɛʁ.dyʁ\.
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 85033, this pair ranks #11,985 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of perdirent vs perdurent
Shared letters: denprt. Private to "perdirent": i. Private to "perdurent": u.
"perdirent" · 9 letters · shape CVCCVCVCC · "perdurent" · 9 letters · shape CVCCVCVCC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "perdirent" for "perdurent" ever safe?
Frequency check: "perdirent" vs "perdurent" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "perdirent" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "perdurent" - compare definitions side by side with the headword page. Word entry
- This pair ranks #11,985 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "perdirent" and "perdurent" 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 #11,985 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.