cocuvscrocoTell them apart

Quick tell: cocu is a adjective, croco is a noun, so they fill different roles in a sentence.

Which to use

“cocu” is an adjective and “croco” is a noun - they look or sound alike but fill different roles in a sentence.

#25,931
“cocu” frequency rank
#49,010
“croco” frequency rank
74941
confusion score

Side-by-Side Comparison

Feature cocu croco
Definition Dupé, trompé, victime d’infidélité conjugale. Crocodile.

Where the eye mixes cocu and croco

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. cocu runs 4 letters (CVCV) against croco's 5 (CCVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
cocu
5 ch
croco

Look-alike desk: cocu vs croco

These two trip readers on the page rather than in the ear: cocu is \kɔ.ky\ while croco is \kʁɔ.ko\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 74941, derived from the frequency rank of both members and their visual similarity.

cocu is recorded at frequency rank #25,931, classified as anadj, pronounced \kɔ.ky\. croco is at rank #49,010, tagged as anoun, pronounced \kʁɔ.ko\.

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 74941, this pair ranks #35,562 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of cocu vs croco

Shared letters: co. Private to "cocu": u. Private to "croco": r.

"cocu" · 4 letters · shape CVCV  ·  "croco" · 5 letters · shape CCVCV

Known mistypes of this pair

  • cocu ← ccocu · ccou · coccu · couc · occu
  • croco ← ccroco · corco · crcoo · crocco · crooc · crroco

Frequently Asked Questions

Do "cocu" and "croco" mean the same thing in a sentence?
No - they are not even the same part of speech. "cocu" is an adjective and "croco" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary French text, does "cocu" or "croco" show up more?
"cocu" is the more common of the two: it sits at frequency rank #25,931 in our French list, against #49,010 for "croco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "cocu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "croco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #35,562 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "cocu" and "croco" also get mixed up with nearby pairs, the highest-scored neighbour is "croce vs croco". 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 #35,562 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