Which to use
“CDS” and “CFF” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #28,477
- “CDS” frequency rank
- #46,639
- “CFF” frequency rank
- 75116
- confusion score
Side-by-Side Comparison
| Feature | CDS | CFF |
|---|---|---|
| Definition | Séquence codante, région d'une séquence d'ADN codant une séquence d'acides aminés de protéine. | Société anonyme (détenue à 100 % par la Confédération suisse) exploitant les chemins de fer suisses. |
Where the eye mixes CDS and CFF
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: CDS vs CFF
A purely visual mix-up. CDS (\se.de.ɛs\) and CFF (\se.ɛf.ɛf\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 75116, derived from the frequency rank of both members and their visual similarity.
CDS is recorded at frequency rank #28,477, classified as anoun, pronounced \se.de.ɛs\. CFF is at rank #46,639, tagged as anoun, pronounced \se.ɛf.ɛf\.
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 75116, this pair ranks #35,091 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of CDS vs CFF
Shared letters: c. Private to "CDS": ds. Private to "CFF": f.
"CDS" · 3 letters · shape CCC · "CFF" · 3 letters · shape CCC
Frequently Asked Questions
Do "CDS" and "CFF" mean the same thing in a sentence?
Which is more common, "CDS" or "CFF"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "CDS" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "CFF" - compare definitions side by side with the headword page. Word entry
- This pair ranks #35,091 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "CDS" and "CFF" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CFF". Nearby pair
Confusion rank #35,091 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.