Which to use
“casses” and “châssis” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #19,471
- “casses” frequency rank
- #11,189
- “châssis” frequency rank
- 30660
- confusion score
Side-by-Side Comparison
| Feature | casses | châssis |
|---|---|---|
| Definition | Pluriel de casse. | Ouvrage composé de plusieurs pièces de menuiserie formant ordinairement des cadres où l’on met des vitres, de la toile ou des feuilles de papier huilé, etc. |
Where the eye mixes casses and châssis
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between casses and châssis
A purely visual mix-up. casses (\kas\) and châssis (\ʃɑ.si\) 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 1 letter(s) in length. Our composite confusion score for this pair is 30660, derived from the frequency rank of both members and their visual similarity.
casses is recorded at frequency rank #19,471, classified as anoun, pronounced \kas\. châssis is at rank #11,189, tagged as anoun, pronounced \ʃɑ.si\.
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 30660, this pair ranks #308,804 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of casses vs châssis
Shared letters: cs. Private to "casses": ae. Private to "châssis": hiâ.
"casses" · 6 letters · shape CVCCVC · "châssis" · 7 letters · shape CCVCCVC
Known mistypes of this pair
- casses ← acsses · casess · cassess · cassse · ccasses · csases
Frequently Asked Questions
Is swapping "casses" for "châssis" ever safe?
Frequency check: "casses" vs "châssis" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "casses" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "châssis" - compare definitions side by side with the headword page. Word entry
- This pair ranks #308,804 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "casses" and "châssis" also get mixed up with nearby pairs, the highest-scored neighbour is "casses vs chassées". 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 #308,804 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.