Which to use
“périmètres” is a noun and “perpétrés” is an adjective - they look or sound alike but fill different roles in a sentence.
- #38,494
- “périmètres” frequency rank
- #30,303
- “perpétrés” frequency rank
- 68797
- confusion score
Side-by-Side Comparison
| Feature | périmètres | perpétrés |
|---|---|---|
| Definition | Pluriel de périmètre. | Masculin pluriel de perpétré. |
Where the eye mixes périmètres and perpétrés
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. périmètres runs 10 letters (CVCVCVCCVC) against perpétrés's 9 (CVCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between périmètres and perpétrés
These two trip readers on the page rather than in the ear: périmètres is \pe.ʁi.mɛtʁ\ while perpétrés is \pɛʁ.pe.tʁe\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 68797, derived from the frequency rank of both members and their visual similarity.
périmètres is recorded at frequency rank #38,494, classified as anoun, pronounced \pe.ʁi.mɛtʁ\. perpétrés is at rank #30,303, tagged as anadj, pronounced \pɛʁ.pe.tʁe\.
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 68797, this pair ranks #57,660 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of périmètres vs perpétrés
Shared letters: eprsté. Private to "périmètres": imè. Private to "perpétrés": -.
"périmètres" · 10 letters · shape CVCVCVCCVC · "perpétrés" · 9 letters · shape CVCCVCCVC
Frequently Asked Questions
Do "périmètres" and "perpétrés" mean the same thing in a sentence?
Frequency check: "périmètres" vs "perpétrés" - which ranks higher?
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 "périmètres" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "perpétrés" - compare definitions side by side with the headword page. Word entry
- This pair ranks #57,660 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "périmètres" and "perpétrés" also get mixed up with nearby pairs, the highest-scored neighbour is "perpétré vs perpétrés". Nearby pair
Confusion rank #57,660 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.