Which to use
“caduques” is an adjective and “casques” is a noun - they look or sound alike but fill different roles in a sentence.
- #43,317
- “caduques” frequency rank
- #11,537
- “casques” frequency rank
- 54854
- confusion score
Side-by-Side Comparison
| Feature | caduques | casques |
|---|---|---|
| Definition | Féminin pluriel de caduc. | Pluriel de casque. |
Where the eye mixes caduques and casques
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. caduques runs 8 letters (CVCVCVVC) against casques's 7 (CVCCVVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between caduques and casques
These two trip readers on the page rather than in the ear: caduques is \ka.dyk\ while casques is \kask\. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 54854, derived from the frequency rank of both members and their visual similarity.
caduques is recorded at frequency rank #43,317, classified as anadj, pronounced \ka.dyk\. casques is at rank #11,537, tagged as anoun, pronounced \kask\.
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 54854, this pair ranks #131,240 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of caduques vs casques
Shared letters: aceqsu. Private to "caduques": d. Private to "casques": -.
"caduques" · 8 letters · shape CVCVCVVC · "casques" · 7 letters · shape CVCCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "caduques" and "casques" mean the same thing in a sentence?
Which is more common, "caduques" or "casques"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "caduques" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "casques" - compare definitions side by side with the headword page. Word entry
- This pair ranks #131,240 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "caduques" and "casques" also get mixed up with nearby pairs, the highest-scored neighbour is "caduc vs caduques". 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 #131,240 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.