Which to use
“caisse” and “caisson” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #2,410
- “caisse” frequency rank
- #24,889
- “caisson” frequency rank
- 27299
- confusion score
Side-by-Side Comparison
| Feature | caisse | caisson |
|---|---|---|
| Definition | Contenant rigide, de forme cubique ou parallélépipédique, constitué par l'assemblage de panneaux pleins ou à claire-voie, dans lequel on peut mettre des objets, pour les stocker ou les transporter. | Grande caisse sur un train à deux ou quatre roues qui servait ordinairement pour porter des vivres et des munitions à l’armée. |
Where the eye mixes caisse and caisson
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.
Look-alike desk: caisse vs caisson
A purely visual mix-up. caisse (\kɛs\) and caisson (\kɛ.sɔ̃\) 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 27299, derived from the frequency rank of both members and their visual similarity.
caisse is recorded at frequency rank #2,410, classified as anoun, pronounced \kɛs\. caisson is at rank #24,889, tagged as anoun, pronounced \kɛ.sɔ̃\.
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 27299, this pair ranks #329,867 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of caisse vs caisson
Shared letters: acis. Private to "caisse": e. Private to "caisson": no.
"caisse" · 6 letters · shape CVVCCV · "caisson" · 7 letters · shape CVVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "caisse" and "caisson" mean the same thing in a sentence?
Which is more common, "caisse" or "caisson"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "caisse" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "caisson" - compare definitions side by side with the headword page. Word entry
- This pair ranks #329,867 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "caisse" and "caisson" also get mixed up with nearby pairs, the highest-scored neighbour is "caisson vs crimson". 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 #329,867 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.