Which to use
“fau” and “fléau” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #38,799
- “fau” frequency rank
- #10,502
- “fléau” frequency rank
- 49301
- confusion score
Side-by-Side Comparison
| Feature | fau | fléau |
|---|---|---|
| Definition | ou Hêtre, plus particulièrement le hêtre tortillard (Fagus sylvatica). | 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. |
Where the eye mixes fau and fléau
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. fau runs 3 letters (CVV) against fléau's 5 (CCVVV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between fau and fléau
A purely visual mix-up. fau (\fo\) and fléau (\fle.o\) 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 2 letter(s) in length. Our composite confusion score for this pair is 49301, derived from the frequency rank of both members and their visual similarity.
fau is recorded at frequency rank #38,799, classified as anoun, pronounced \fo\. fléau is at rank #10,502, 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 49301, this pair ranks #171,802 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of fau vs fléau
Shared letters: afu. Private to "fau": -. Private to "fléau": lé.
"fau" · 3 letters · shape CVV · "fléau" · 5 letters · shape CCVVV
Frequently Asked Questions
Is swapping "fau" for "fléau" ever safe?
Frequency check: "fau" vs "fléau" - which ranks higher?
After this comparison
Eye-level mix-up between "fau" and "fléau" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "fau" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "fléau" - compare definitions side by side with the headword page. Word entry
- This pair ranks #171,802 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "fau" and "fléau" also get mixed up with nearby pairs, the highest-scored neighbour is "fau vs Fee". Nearby pair
Confusion rank #171,802 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.