Which to use
“cass” is a noun and “CSA” is a name - they look or sound alike but fill different roles in a sentence.
- #17,896
- “cass” frequency rank
- #12,945
- “CSA” frequency rank
- 30841
- confusion score
Side-by-Side Comparison
| Feature | cass | CSA |
|---|---|---|
| Definition | Cassis. | Autorité administrative indépendante qui régule le secteur de la communication audiovisuelle en France. |
Where the eye mixes cass and CSA
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: cass vs CSA
These two trip readers on the page rather than in the ear: cass is \kas\ while CSA is \se.ɛs.a\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 30841, 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\. CSA is at rank #12,945, tagged as aname, pronounced \se.ɛs.a\.
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 30841, this pair ranks #307,649 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of cass vs CSA
Shared letters: acs. Private to "cass": -. Private to "CSA": -.
"cass" · 4 letters · shape CVCC · "CSA" · 3 letters · shape CCV
Known mistypes of this pair
- cass ← acss · ccass · csas
Frequently Asked Questions
Do "cass" and "CSA" mean the same thing in a sentence?
Which is more common, "cass" or "CSA"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "cass" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "CSA" - compare definitions side by side with the headword page. Word entry
- This pair ranks #307,649 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "cass" and "CSA" also get mixed up with nearby pairs, the highest-scored neighbour is "cakes vs cass". 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 #307,649 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.