Which to use
“chiasse” and “culasse” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #41,180
- “chiasse” frequency rank
- #32,364
- “culasse” frequency rank
- 73544
- confusion score
Side-by-Side Comparison
| Feature | chiasse | culasse |
|---|---|---|
| Definition | Excréments de mouche, de ver. | Partie de derrière d’une arme à feu, canon, fusil, revolver, etc. |
Where the eye mixes chiasse and culasse
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. chiasse (CCVVCCV) and culasse (CVCVCCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: chiasse vs culasse
A purely visual mix-up. chiasse (\ʃjas\) and culasse (\ky.las\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 73544, derived from the frequency rank of both members and their visual similarity.
chiasse is recorded at frequency rank #41,180, classified as anoun, pronounced \ʃjas\. culasse is at rank #32,364, tagged as anoun, pronounced \ky.las\.
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 73544, this pair ranks #40,098 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of chiasse vs culasse
Shared letters: aces. Private to "chiasse": hi. Private to "culasse": lu.
"chiasse" · 7 letters · shape CCVVCCV · "culasse" · 7 letters · shape CVCVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "chiasse" and "culasse" mean the same thing in a sentence?
In ordinary French text, does "chiasse" or "culasse" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "chiasse" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "culasse" - compare definitions side by side with the headword page. Word entry
- This pair ranks #40,098 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "chiasse" and "culasse" also get mixed up with nearby pairs, the highest-scored neighbour is "chiasse vs cuirasse". 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 #40,098 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.