Which to use
“casse” is a noun and “classer” is a verb - they look or sound alike but fill different roles in a sentence.
- #2,411
- “casse” frequency rank
- #10,470
- “classer” frequency rank
- 12881
- confusion score
Side-by-Side Comparison
| Feature | casse | classer |
|---|---|---|
| Definition | Boîte plate et découverte, composée de deux parties, le haut de casse (majuscules) et le bas de casse (minuscules), et divisée en petites cases pour chaque caractère. | Ranger, distribuer par classes. Ranger des éléments suivant des critères ou des caractères communs. |
Where the eye mixes casse and classer
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Visual trap between casse and classer
These two trip readers on the page rather than in the ear: casse is \kɑs\ while classer is \klɑ.se\. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 12881, derived from the frequency rank of both members and their visual similarity.
casse is recorded at frequency rank #2,411, classified as anoun, pronounced \kɑs\. classer is at rank #10,470, tagged as averb, pronounced \klɑ.se\.
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 12881, this pair ranks #403,362 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of casse vs classer
Shared letters: aces. Private to "casse": -. Private to "classer": lr.
"casse" · 5 letters · shape CVCCV · "classer" · 7 letters · shape CCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "casse" for "classer" ever safe?
In ordinary French text, does "casse" or "classer" show up more?
What to do next
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "casse" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "classer" - compare definitions side by side with the headword page. Word entry
- This pair ranks #403,362 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "casse" and "classer" also get mixed up with nearby pairs, the highest-scored neighbour is "casseur vs classer". 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 #403,362 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.