Which to use
“cass” and “cassin” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #17,896
- “cass” frequency rank
- #42,220
- “cassin” frequency rank
- 60116
- confusion score
Side-by-Side Comparison
| Feature | cass | cassin |
|---|---|---|
| Definition | Cassis. | Châssis au-dessus du métier à tisser la soie, où sont attachées les poulies. |
Where the eye mixes cass and cassin
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between cass and cassin
A purely visual mix-up. cass (\kas\) and cassin (\ka.sɛ̃\) 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) - “cass” sits inside “cassin”. Our composite confusion score for this pair is 60116, derived from the frequency rank of both members and their visual similarity.
cass is recorded at frequency rank #17,896, classified as anoun, pronounced \kas\. 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 60116, this pair ranks #99,382 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of cass vs cassin
Shared letters: acs. Private to "cass": -. Private to "cassin": in.
"cass" · 4 letters · shape CVCC · "cassin" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Can "cass" and "cassin" be used interchangeably?
Which is more common, "cass" or "cassin"?
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 "cass" 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 #99,382 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "cass" 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 #99,382 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.