Which to use
“perche” is a noun and “perdue” is an adjective - they look or sound alike but fill different roles in a sentence.
- #13,444
- “perche” frequency rank
- #4,009
- “perdue” frequency rank
- 17453
- confusion score
Side-by-Side Comparison
| Feature | perche | perdue |
|---|---|---|
| Definition | Poisson de la famille des percidés, de nom scientifique Perca fluviatilis, aussi appelée perche commune. | Féminin singulier de perdu. |
Where the eye mixes perche and perdue
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses perche with perdue
These two trip readers on the page rather than in the ear: perche is \pɛʁʃ\ while perdue is \pɛʁ.dy\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 17453, derived from the frequency rank of both members and their visual similarity.
perche is recorded at frequency rank #13,444, classified as anoun, pronounced \pɛʁʃ\. perdue is at rank #4,009, tagged as anadj, pronounced \pɛʁ.dy\.
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 17453, this pair ranks #383,096 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of perche vs perdue
Shared letters: epr. Private to "perche": ch. Private to "perdue": du.
"perche" · 6 letters · shape CVCCCV · "perdue" · 6 letters · shape CVCCVV
Known mistypes of this pair
Frequently Asked Questions
Can "perche" and "perdue" be used interchangeably?
In ordinary French text, does "perche" or "perdue" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "perche" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "perdue" - compare definitions side by side with the headword page. Word entry
- This pair ranks #383,096 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "perche" and "perdue" also get mixed up with nearby pairs, the highest-scored neighbour is "pencha vs perche". 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 #383,096 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.