Which to use
“castor” and “caton” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #17,363
- “castor” frequency rank
- #43,329
- “caton” frequency rank
- 60692
- confusion score
Side-by-Side Comparison
| Feature | castor | caton |
|---|---|---|
| Definition | Quadrupède mammifère rongeur semi-aquatique à queue plate, qui habite ordinairement dans les lieux aquatiques. | Tringle de fer qu’on forge à bras pour la passer à la filière. |
Where the eye mixes castor and caton
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. castor runs 6 letters (CVCCVC) against caton's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: castor vs caton
A purely visual mix-up. castor (\kas.tɔʁ\) and caton (\ka.tɔ̃\) 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 60692, derived from the frequency rank of both members and their visual similarity.
castor is recorded at frequency rank #17,363, classified as anoun, pronounced \kas.tɔʁ\. caton is at rank #43,329, tagged as anoun, pronounced \ka.tɔ̃\.
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 60692, this pair ranks #96,317 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of castor vs caton
Shared letters: acot. Private to "castor": rs. Private to "caton": n.
"castor" · 6 letters · shape CVCCVC · "caton" · 5 letters · shape CVCVC
Known mistypes of this pair
Frequently Asked Questions
Do "castor" and "caton" mean the same thing in a sentence?
In ordinary French text, does "castor" or "caton" show up more?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "castor" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "caton" - compare definitions side by side with the headword page. Word entry
- This pair ranks #96,317 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "castor" and "caton" also get mixed up with nearby pairs, the highest-scored neighbour is "caton vs coon". 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 #96,317 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.