Which to use
“ceux” is a pronoun and “cieux” is a noun - they look or sound alike but fill different roles in a sentence.
- #175
- “ceux” frequency rank
- #10,291
- “cieux” frequency rank
- 10466
- confusion score
Side-by-Side Comparison
| Feature | ceux | cieux |
|---|---|---|
| Definition | Masculin pluriel de celui. | Pluriel de ciel, utilisé dans un sens singulier. |
Where the eye mixes ceux and cieux
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. ceux runs 4 letters (CVVC) against cieux's 5 (CVVVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses ceux with cieux
These two trip readers on the page rather than in the ear: ceux is \sø\ while cieux is \sjø\. 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 (pronoun vs noun), which is usually the fastest check. Our composite confusion score for this pair is 10466, derived from the frequency rank of both members and their visual similarity.
ceux is recorded at frequency rank #175, classified as apron, pronounced \sø\. cieux is at rank #10,291, tagged as anoun, pronounced \sjø\.
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 10466, this pair ranks #412,889 of 440,172 scored French confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of ceux vs cieux
Shared letters: ceux. Private to "ceux": -. Private to "cieux": i.
"ceux" · 4 letters · shape CVVC · "cieux" · 5 letters · shape CVVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "ceux" for "cieux" ever safe?
In ordinary French text, does "ceux" or "cieux" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "ceux" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cieux" - compare definitions side by side with the headword page. Word entry
- This pair ranks #412,889 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "ceux" and "cieux" also get mixed up with nearby pairs, the highest-scored neighbour is "caux vs cieux". 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 #412,889 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.