CDDvscerWhat's the difference?

Which to use

“CDD” and “cer” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#11,538
“CDD” frequency rank
#46,052
“cer” frequency rank
57590
confusion score

Side-by-Side Comparison

Feature CDD cer
Definition Contrat à durée déterminée, type de contrat de travail en France. Ciel.

Where the eye mixes CDD and cer

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
CDD
3 ch
cer

Look-alike desk: CDD vs cer

A purely visual mix-up. CDD (\se.de.de\) 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 57590, derived from the frequency rank of both members and their visual similarity.

CDD is recorded at frequency rank #11,538, classified as anoun, pronounced \se.de.de\. 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 57590, this pair ranks #114,120 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of CDD vs cer

Shared letters: c. Private to "CDD": d. Private to "cer": er.

"CDD" · 3 letters · shape CCC  ·  "cer" · 3 letters · shape CVC

Frequently Asked Questions

Is swapping "CDD" for "cer" ever safe?
No. They are said differently (\se.de.de\ versus \ˈʧeɾ\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "CDD" vs "cer" - which ranks higher?
"CDD" is the more common of the two: it sits at frequency rank #11,538 in our French list, against #46,052 for "cer". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "CDD" and "cer" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "CDD" 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 #114,120 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "CDD" and "cer" also get mixed up with nearby pairs, the highest-scored neighbour is "cer vs ciro". Nearby pair

Confusion rank #114,120 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list