Which to use
“pilon” is a noun and “piou” is an onomatopoeia - they look or sound alike but fill different roles in a sentence.
- #24,716
- “pilon” frequency rank
- #43,603
- “piou” frequency rank
- 68319
- confusion score
Side-by-Side Comparison
| Feature | pilon | piou |
|---|---|---|
| Definition | Instrument dont on se sert pour piler quelque chose dans un mortier, pour écraser quelque chose dans un mortier. | Cri d’un poussin, d’un oisillon. |
Where the eye mixes pilon and piou
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. pilon runs 5 letters (CVCVC) against piou's 4 (CVVV) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between pilon and piou
These two trip readers on the page rather than in the ear: pilon is \pi.lɔ̃\ while piou is \pju\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs onomatopoeia), which is usually the fastest check. Our composite confusion score for this pair is 68319, derived from the frequency rank of both members and their visual similarity.
pilon is recorded at frequency rank #24,716, classified as anoun, pronounced \pi.lɔ̃\. piou is at rank #43,603, tagged as anonomatopoeia, pronounced \pju\.
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 68319, this pair ranks #59,660 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of pilon vs piou
Shared letters: iop. Private to "pilon": ln. Private to "piou": u.
"pilon" · 5 letters · shape CVCVC · "piou" · 4 letters · shape CVVV
Known mistypes of this pair
Frequently Asked Questions
Can "pilon" and "piou" be used interchangeably?
In ordinary French text, does "pilon" or "piou" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "pilon" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "piou" - compare definitions side by side with the headword page. Word entry
- This pair ranks #59,660 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "pilon" and "piou" also get mixed up with nearby pairs, the highest-scored neighbour is "pio vs piou". 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 #59,660 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.