Which to use
“caisson” and “caissons” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #24,889
- “caisson” frequency rank
- #30,929
- “caissons” frequency rank
- 55818
- confusion score
Side-by-Side Comparison
| Feature | caisson | caissons |
|---|---|---|
| Definition | Grande caisse sur un train à deux ou quatre roues qui servait ordinairement pour porter des vivres et des munitions à l’armée. | Pluriel de caisson. |
Same sound, different letters: caisson vs caissons
Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 7 letters.
Homophone desk: caisson vs caissons
This is the hard kind. caisson and caissons are pronounced identically (\kɛ.sɔ̃\) and both work as anoun. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by 1 extra letter(s) - “caisson” sits inside “caissons”. Our composite confusion score for this pair is 55818, 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\. caissons is at rank #30,929, 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 55818, this pair ranks #125,040 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of caisson vs caissons
Shared letters: acinos. Private to "caisson": -. Private to "caissons": -.
"caisson" · 7 letters · shape CVVCCVC · "caissons" · 8 letters · shape CVVCCVCC
Known mistypes of this pair
Frequently Asked Questions
Do "caisson" and "caissons" mean the same thing in a sentence?
In ordinary French text, does "caisson" or "caissons" show up more?
What to do next
"caisson" and "caissons" share a sound, keep the gloss open, then jump to the headword or a nearby trap.
- Full dictionary entry for "caisson" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "caissons" - compare definitions side by side with the headword page. Word entry
- This pair ranks #125,040 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "caisson" and "caissons" also get mixed up with nearby pairs, the highest-scored neighbour is "caissons vs Clisson". 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 #125,040 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.