Which to use
“boul” and “boulon” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #40,146
- “boul” frequency rank
- #36,733
- “boulon” frequency rank
- 76879
- confusion score
Side-by-Side Comparison
| Feature | boul | boulon |
|---|---|---|
| Definition | boulard, fessier, cul, en particulier quand il est gros ou rebondi. | Cheville avec tête ronde, bout percé et clavette, pour arrêter une poutre. |
Where the eye mixes boul and boulon
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. boul runs 4 letters (CVVC) against boulon's 6 (CVVCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: boul vs boulon
A purely visual mix-up. boul (\bul\) and boulon (\bu.lɔ̃\) 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 extra letter(s) - “boul” sits inside “boulon”. Our composite confusion score for this pair is 76879, derived from the frequency rank of both members and their visual similarity.
boul is recorded at frequency rank #40,146, classified as anoun, pronounced \bul\. boulon is at rank #36,733, tagged as anoun, pronounced \bu.lɔ̃\.
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 76879, this pair ranks #29,931 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of boul vs boulon
Shared letters: blou. Private to "boul": -. Private to "boulon": n.
"boul" · 4 letters · shape CVVC · "boulon" · 6 letters · shape CVVCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "boul" for "boulon" ever safe?
In ordinary French text, does "boul" or "boulon" 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 "boul" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "boulon" - compare definitions side by side with the headword page. Word entry
- This pair ranks #29,931 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "boul" and "boulon" also get mixed up with nearby pairs, the highest-scored neighbour is "bold vs boul". 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 #29,931 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.