pouxvspreuxTell them apart

Which to use

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

#19,111
“poux” frequency rank
#39,466
“preux” frequency rank
58577
confusion score

Side-by-Side Comparison

Feature poux preux
Definition Pluriel de pou. Chevalier.

Where the eye mixes poux and preux

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
poux
5 ch
preux

Why the eye confuses poux with preux

A purely visual mix-up. poux (\pu\) and preux (\pʁø\) 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 58577, derived from the frequency rank of both members and their visual similarity.

poux is recorded at frequency rank #19,111, classified as anoun, pronounced \pu\. preux is at rank #39,466, tagged as anoun, pronounced \pʁø\.

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 58577, this pair ranks #108,249 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of poux vs preux

Shared letters: pux. Private to "poux": o. Private to "preux": er.

"poux" · 4 letters · shape CVVC  ·  "preux" · 5 letters · shape CCVVC

Known mistypes of this pair

  • pouxopux · pouxx · poxu · ppoux · puox
  • preuxperux · ppreux · preuxx · prexu · prreux · pruex · rpeux

Frequently Asked Questions

Can "poux" and "preux" be used interchangeably?
No. They are said differently (\pu\ versus \pʁø\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "poux" vs "preux" - which ranks higher?
"poux" is the more common of the two: it sits at frequency rank #19,111 in our French list, against #39,466 for "preux". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "poux" and "preux" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "poux" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "preux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #108,249 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "poux" and "preux" also get mixed up with nearby pairs, the highest-scored neighbour is "prep vs preux". 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 #108,249 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