fléauvsfléauxWhat's the difference?

Which to use

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

#10,502
“fléau” frequency rank
#37,816
“fléaux” frequency rank
48318
confusion score

Side-by-Side Comparison

Feature fléau fléaux
Definition Instrument composé de deux bâtons attachés l’un à l’autre à leur bout par un lien flexible, et qui sert à battre le grain pour le séparer de la tige et de l'épi, à la manière d’un fouet rigide. L’un des deux bâtons est le manche de l’outil, l’autre en est la lame. Pluriel de fléau.

Same sound, different letters: fléau vs fléaux

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 5 letters. fléau runs 5 letters (CCVVV) against fléaux's 6 (CCVVVC) - the length gap alone is often enough to separate them once you know to check it.

5 ch
fléau
6 ch
fléaux

Homophone desk: fléau vs fléaux

This is the hard kind. fléau and fléaux are pronounced identically (\fle.o\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “fléau” sits inside “fléaux”. Our composite confusion score for this pair is 48318, derived from the frequency rank of both members and their visual similarity.

fléau is recorded at frequency rank #10,502, classified as anoun, pronounced \fle.o\. fléaux is at rank #37,816, tagged as anoun, pronounced \fle.o\.

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 48318, this pair ranks #179,854 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of fléau vs fléaux

Shared letters: aflué. Private to "fléau": -. Private to "fléaux": x.

"fléau" · 5 letters · shape CCVVV  ·  "fléaux" · 6 letters · shape CCVVVC

Frequently Asked Questions

Can "fléau" and "fléaux" be used interchangeably?
No. They are pronounced the same (\fle.o\), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
In ordinary French text, does "fléau" or "fléaux" show up more?
"fléau" is the more common of the two: it sits at frequency rank #10,502 in our French list, against #37,816 for "fléaux". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

  • Full dictionary entry for "fléau" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fléaux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #179,854 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "fléau" and "fléaux" also get mixed up with nearby pairs, the highest-scored neighbour is "fléaux vs fuseaux". Nearby pair

Confusion rank #179,854 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