périlleuxvspouilleuxTell them apart

Which to use

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

#22,668
“périlleux” frequency rank
#47,524
“pouilleux” frequency rank
70192
confusion score

Side-by-Side Comparison

Feature périlleux pouilleux
Definition Qui est dangereux ; où il y a du péril. Qui a des poux.

Where the eye mixes périlleux and pouilleux

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. périlleux (CVCVCCVVC) and pouilleux (CVVVCCVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

9 ch
périlleux
9 ch
pouilleux

Look-alike desk: périlleux vs pouilleux

A purely visual mix-up. périlleux (\pe.ʁi.jø\) and pouilleux (\pu.jø\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 70192, derived from the frequency rank of both members and their visual similarity.

périlleux is recorded at frequency rank #22,668, classified as anadj, pronounced \pe.ʁi.jø\. pouilleux is at rank #47,524, tagged as anadj, pronounced \pu.jø\.

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 70192, this pair ranks #52,301 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of périlleux vs pouilleux

Shared letters: eilpux. Private to "périlleux": ré. Private to "pouilleux": o.

"périlleux" · 9 letters · shape CVCVCCVVC  ·  "pouilleux" · 9 letters · shape CVVVCCVVC

Known mistypes of this pair

  • pouilleux ← opuilleux · poiulleux · pouilelux · pouileux · pouilleuxx · pouillexu · pouilluex · poulileux

Frequently Asked Questions

Is swapping "périlleux" for "pouilleux" ever safe?
No. They are said differently (\pe.ʁi.jø\ versus \pu.jø\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "périlleux" or "pouilleux"?
"périlleux" is the more common of the two: it sits at frequency rank #22,668 in our French list, against #47,524 for "pouilleux". 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 "périlleux" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "pouilleux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #52,301 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "périlleux" and "pouilleux" also get mixed up with nearby pairs, the highest-scored neighbour is "périlleuse vs périlleux". 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 #52,301 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