perpétrévsperpétuerConfusable pair

Which to use

“perpétré” and “perpétuer” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#29,076
“perpétré” frequency rank
#20,813
“perpétuer” frequency rank
49889
confusion score

Side-by-Side Comparison

Feature perpétré perpétuer
Definition Participe passé masculin singulier de perpétrer. Rendre perpétuel ; faire durer sans cesse, constamment.

Where the eye mixes perpétré and perpétuer

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. perpétré runs 8 letters (CVCCVCCV) against perpétuer's 9 (CVCCVCVVC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
perpétré
9 ch
perpétuer

Look-alike desk: perpétré vs perpétuer

A purely visual mix-up. perpétré (\pɛʁ.pe.tʁe\) and perpétuer (\pɛʁ.pe.tɥe\) 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 49889, derived from the frequency rank of both members and their visual similarity.

perpétré is recorded at frequency rank #29,076, classified as averb, pronounced \pɛʁ.pe.tʁe\. perpétuer is at rank #20,813, tagged as averb, pronounced \pɛʁ.pe.tɥe\.

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 49889, this pair ranks #167,089 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of perpétré vs perpétuer

Shared letters: eprté. Private to "perpétré": -. Private to "perpétuer": u.

"perpétré" · 8 letters · shape CVCCVCCV  ·  "perpétuer" · 9 letters · shape CVCCVCVVC

Frequently Asked Questions

Is swapping "perpétré" for "perpétuer" ever safe?
No. They are said differently (\pɛʁ.pe.tʁe\ versus \pɛʁ.pe.tɥe\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "perpétré" vs "perpétuer" - which ranks higher?
"perpétuer" is the more common of the two: it sits at frequency rank #20,813 in our French list, against #29,076 for "perpétré". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "perpétré" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "perpétuer" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #167,089 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "perpétré" and "perpétuer" also get mixed up with nearby pairs, the highest-scored neighbour is "perpétuent vs perpétuer". Nearby pair

Confusion rank #167,089 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list