cedexvscodexTell them apart

Which to use

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

#24,139
“cedex” frequency rank
#26,301
“codex” frequency rank
50440
confusion score

Side-by-Side Comparison

Feature cedex codex
Definition Courrier d’entreprise à distribution exceptionnelle. Cette mention apposée sur un courrier en France indique que celui-ci doit être distribué par un réseau spécialisé dans le transport du courrier aux entreprises et aux organismes administratifs. Recueil des formules pharmaceutiques approuvées par la Faculté de Médecine.

Where the eye mixes cedex and codex

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
cedex
5 ch
codex

Look-alike desk: cedex vs codex

A purely visual mix-up. cedex (\se.dɛks\) and codex (\kɔ.dɛks\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - e in “cedex” becomes o in “codex”. Our composite confusion score for this pair is 50440, derived from the frequency rank of both members and their visual similarity.

cedex is recorded at frequency rank #24,139, classified as anoun, pronounced \se.dɛks\. codex is at rank #26,301, tagged as anoun, pronounced \kɔ.dɛks\.

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 50440, this pair ranks #162,624 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cedex vs codex

Shared letters: cdex. Private to "cedex": -. Private to "codex": o.

"cedex" · 5 letters · shape CVCVC  ·  "codex" · 5 letters · shape CVCVC

Known mistypes of this pair

  • cedexccedex · cdeex · ceddex · cedexx · cedxe · ceedx · ecdex
  • codexccodex · cdoex · coddex · codexx · codxe · coedx · ocdex

Frequently Asked Questions

Do "cedex" and "codex" mean the same thing in a sentence?
No. They are said differently (\se.dɛks\ versus \kɔ.dɛks\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary French text, does "cedex" or "codex" show up more?
"cedex" is the more common of the two: it sits at frequency rank #24,139 in our French list, against #26,301 for "codex". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "cedex" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "codex" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #162,624 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cedex" and "codex" also get mixed up with nearby pairs, the highest-scored neighbour is "codex vs conde". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #162,624 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