Which to use
“CSA” is a name and “cts” is a noun - they look or sound alike but fill different roles in a sentence.
- #12,945
- “CSA” frequency rank
- #39,736
- “cts” frequency rank
- 52681
- confusion score
Side-by-Side Comparison
| Feature | CSA | cts |
|---|---|---|
| Definition | Autorité administrative indépendante qui régule le secteur de la communication audiovisuelle en France. | Carats |
Where the eye mixes CSA and cts
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: CSA vs cts
These two trip readers on the page rather than in the ear: CSA is \se.ɛs.a\ while cts is \ka.ʁa\. 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 (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 52681, derived from the frequency rank of both members and their visual similarity.
CSA is recorded at frequency rank #12,945, classified as aname, pronounced \se.ɛs.a\. cts is at rank #39,736, tagged as anoun, pronounced \ka.ʁa\.
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 52681, this pair ranks #146,002 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of CSA vs cts
Shared letters: cs. Private to "CSA": a. Private to "cts": t.
"CSA" · 3 letters · shape CCV · "cts" · 3 letters · shape CCC
Frequently Asked Questions
Is swapping "CSA" for "cts" ever safe?
Frequency check: "CSA" vs "cts" - which ranks higher?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "CSA" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cts" - compare definitions side by side with the headword page. Word entry
- This pair ranks #146,002 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "CSA" and "cts" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs cts". Nearby pair
Confusion rank #146,002 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.