casseurvscrasseuxWhat's the difference?

Which to use

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

#49,542
“casseur” frequency rank
#34,965
“crasseux” frequency rank
84507
confusion score

Side-by-Side Comparison

Feature casseur crasseux
Definition Qui casse, violent, agressif. Qui est couvert de crasse.

Where the eye mixes casseur and crasseux

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. casseur runs 7 letters (CVCCVVC) against crasseux's 8 (CCVCCVVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
casseur
8 ch
crasseux

Why the eye confuses casseur with crasseux

A purely visual mix-up. casseur (\kɑ.sœʁ\) and crasseux (\kʁa.sø\) 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 1 letter(s) in length. Our composite confusion score for this pair is 84507, derived from the frequency rank of both members and their visual similarity.

casseur is recorded at frequency rank #49,542, classified as anadj, pronounced \kɑ.sœʁ\. crasseux is at rank #34,965, tagged as anadj, pronounced \kʁa.sø\.

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 84507, this pair ranks #12,887 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of casseur vs crasseux

Shared letters: acersu. Private to "casseur": -. Private to "crasseux": x.

"casseur" · 7 letters · shape CVCCVVC  ·  "crasseux" · 8 letters · shape CCVCCVVC

Known mistypes of this pair

  • casseur ← acsseur · casesur · caseur · casseru · casseurr · ccasseur · csaseur
  • crasseux ← carsseux · ccrasseux · crasesux · craseux · crasseuxx · crassexu · crassuex · crrasseux

Frequently Asked Questions

Do "casseur" and "crasseux" mean the same thing in a sentence?
No. They are said differently (\kɑ.sœʁ\ versus \kʁa.sø\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "casseur" or "crasseux"?
"crasseux" is the more common of the two: it sits at frequency rank #34,965 in our French list, against #49,542 for "casseur". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "casseur" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "crasseux" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #12,887 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "casseur" and "crasseux" also get mixed up with nearby pairs, the highest-scored neighbour is "casseur vs causeur". 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 #12,887 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