Which to use
“CDI” and “cer” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #6,686
- “CDI” frequency rank
- #46,052
- “cer” frequency rank
- 52738
- confusion score
Side-by-Side Comparison
| Feature | CDI | cer |
|---|---|---|
| Definition | Contrat à durée indéterminée, type de contrat de travail en France. | Ciel. |
Where the eye mixes CDI and cer
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Look-alike desk: CDI vs cer
A purely visual mix-up. CDI (\se.de.i\) and cer (\ˈʧeɾ\) 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 52738, derived from the frequency rank of both members and their visual similarity.
CDI is recorded at frequency rank #6,686, classified as anoun, pronounced \se.de.i\. cer is at rank #46,052, tagged as anoun, pronounced \ˈʧeɾ\.
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 52738, this pair ranks #145,627 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of CDI vs cer
Shared letters: c. Private to "CDI": di. Private to "cer": er.
"CDI" · 3 letters · shape CCV · "cer" · 3 letters · shape CVC
Frequently Asked Questions
Can "CDI" and "cer" be used interchangeably?
Frequency check: "CDI" vs "cer" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "CDI" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #145,627 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "CDI" and "cer" also get mixed up with nearby pairs, the highest-scored neighbour is "cer vs ciro". Nearby pair
Confusion rank #145,627 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.