caissonvscressonConfusable pair

Which to use

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

#24,889
“caisson” frequency rank
#38,737
“cresson” frequency rank
63626
confusion score

Side-by-Side Comparison

Feature caisson cresson
Definition Grande caisse sur un train à deux ou quatre roues qui servait ordinairement pour porter des vivres et des munitions à l’armée. Plante de la famille des Brassicacées dont l’espèce la plus connue pousse dans les eaux vives et se mange ordinairement en salade ou avec du rôti.

Where the eye mixes caisson and cresson

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

7 ch
caisson
7 ch
cresson

Look-alike desk: caisson vs cresson

A purely visual mix-up. caisson (\kɛ.sɔ̃\) and cresson (\kʁe.sɔ̃\) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 63626, 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\. cresson is at rank #38,737, tagged as anoun, pronounced \kʁe.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 63626, this pair ranks #81,037 of 440,172 scored French confusable pairs - among the most confusable pairs.

Orthographic DNA of caisson vs cresson

Shared letters: cnos. Private to "caisson": ai. Private to "cresson": er.

"caisson" · 7 letters · shape CVVCCVC  ·  "cresson" · 7 letters · shape CCVCCVC

Known mistypes of this pair

  • caissonacisson · caison · caisosn · caissno · caissonn · casison · ccaisson · ciasson
  • cressonccresson · cersson · creson · cresosn · cressno · cressonn · crresson · crseson

Frequently Asked Questions

Can "caisson" and "cresson" be used interchangeably?
No. They are said differently (\kɛ.sɔ̃\ versus \kʁe.sɔ̃\) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "caisson" or "cresson"?
"caisson" is the more common of the two: it sits at frequency rank #24,889 in our French list, against #38,737 for "cresson". 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 "caisson" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cresson" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #81,037 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
  • "caisson" and "cresson" also get mixed up with nearby pairs, the highest-scored neighbour is "cresson 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 #81,037 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