Which to use
“casser” is a verb and “cassin” is a noun - they look or sound alike but fill different roles in a sentence.
- #3,388
- “casser” frequency rank
- #42,220
- “cassin” frequency rank
- 45608
- confusion score
Side-by-Side Comparison
| Feature | casser | cassin |
|---|---|---|
| Definition | Briser ; rompre. | Châssis au-dessus du métier à tisser la soie, où sont attachées les poulies. |
Where the eye mixes casser and cassin
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses casser with cassin
These two trip readers on the page rather than in the ear: casser is \ka.se\ while cassin is \ka.sɛ̃\. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 45608, derived from the frequency rank of both members and their visual similarity.
casser is recorded at frequency rank #3,388, classified as averb, pronounced \ka.se\. cassin is at rank #42,220, tagged as anoun, pronounced \ka.sɛ̃\.
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 45608, this pair ranks #201,409 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of casser vs cassin
Shared letters: acs. Private to "casser": er. Private to "cassin": in.
"casser" · 6 letters · shape CVCCVC · "cassin" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "casser" and "cassin" be used interchangeably?
Which is more common, "casser" or "cassin"?
After this comparison
Eye-level mix-up between "casser" and "cassin" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "casser" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cassin" - compare definitions side by side with the headword page. Word entry
- This pair ranks #201,409 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "casser" and "cassin" also get mixed up with nearby pairs, the highest-scored neighbour is "cardin vs cassin". 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 #201,409 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.