Which to use
“cei” is an article and “CFF” is a noun - they look or sound alike but fill different roles in a sentence.
- #31,876
- “cei” frequency rank
- #46,639
- “CFF” frequency rank
- 78515
- confusion score
Side-by-Side Comparison
| Feature | cei | CFF |
|---|---|---|
| Definition | Article adjectival (ou démonstratif) nominatif et accusatif masculin pluriel, généralement traduit par « les ». | Société anonyme (détenue à 100 % par la Confédération suisse) exploitant les chemins de fer suisses. |
Letter map: cei vs CFF
Shared letters muted; letters that set cei and CFF apart highlighted. Shared run: 1. cei (CVV) and CFF (CCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Grammar separator: cei vs CFF
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cei is anarticle and CFFanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 78515, derived from the frequency rank of both members and their visual similarity.
cei is recorded at frequency rank #31,876, classified as anarticle. 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 78515, this pair ranks #25,544 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of cei vs CFF
Shared letters: c. Private to "cei": ei. Private to "CFF": f.
"cei" · 3 letters · shape CVV · "CFF" · 3 letters · shape CCC
Frequently Asked Questions
Do "cei" and "CFF" mean the same thing in a sentence?
Which is more common, "cei" or "CFF"?
After this comparison
Done with this confusable. These links stay specific to "cei" and "CFF".
- Full dictionary entry for "cei" 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 #25,544 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "cei" and "CFF" also get mixed up with nearby pairs, the highest-scored neighbour is "CCE vs CFF". Nearby pair
Confusion rank #25,544 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.