Which to use
“caisson” is a noun and “Clisson” is a name - they look or sound alike but fill different roles in a sentence.
- #24,889
- “caisson” frequency rank
- #43,848
- “Clisson” frequency rank
- 68737
- confusion score
Side-by-Side Comparison
| Feature | caisson | Clisson |
|---|---|---|
| Definition | Grande caisse sur un train à deux ou quatre roues qui servait ordinairement pour porter des vivres et des munitions à l’armée. | Commune française, située dans le département de la Loire-Atlantique. |
Where the eye mixes caisson and Clisson
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Why the eye confuses caisson with Clisson
These two trip readers on the page rather than in the ear: caisson is \kɛ.sɔ̃\ while Clisson is \kli.sɔ̃\. Spoken aloud the problem disappears. In writing it persists, because they differ by a single letter - a in “caisson” becomes l in “Clisson”, and the parts of speech differ too (noun vs name), which is usually the fastest check. Our composite confusion score for this pair is 68737, derived from the frequency rank of both members and their visual similarity.
caisson is recorded at frequency rank #24,889, classified as anoun, pronounced \kɛ.sɔ̃\. Clisson is at rank #43,848, tagged as aname, pronounced \kli.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 68737, this pair ranks #57,920 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of caisson vs Clisson
Shared letters: cinos. Private to "caisson": a. Private to "Clisson": l.
"caisson" · 7 letters · shape CVVCCVC · "Clisson" · 7 letters · shape CCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "caisson" for "Clisson" ever safe?
In ordinary French text, does "caisson" or "Clisson" 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 "caisson" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Clisson" - compare definitions side by side with the headword page. Word entry
- This pair ranks #57,920 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "caisson" and "Clisson" also get mixed up with nearby pairs, the highest-scored neighbour is "Clisson 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 #57,920 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.