Which to use
“chaux” is a noun and “claus” is a verb - they look or sound alike but fill different roles in a sentence.
- #12,530
- “chaux” frequency rank
- #39,220
- “claus” frequency rank
- 51750
- confusion score
Side-by-Side Comparison
| Feature | chaux | claus |
|---|---|---|
| Definition | Oxyde de calcium, alcalin fort, obtenu par la décarbonatation à haute température, durant un temps long, de roches calcaires (→ voir chaux vive). | Participe passé masculin singulier du verbe claure. |
Where the eye mixes chaux and claus
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. chaux and claus follow the identical consonant-vowel pattern (CCVVC). Same shape at a glance is often the real trap, independent of shared letters.
Look-alike desk: chaux vs claus
These two trip readers on the page rather than in the ear: chaux is \ʃo\ while claus is [ˈklaws]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 51750, derived from the frequency rank of both members and their visual similarity.
chaux is recorded at frequency rank #12,530, classified as anoun, pronounced \ʃo\. claus is at rank #39,220, tagged as averb, pronounced [ˈklaws].
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 51750, this pair ranks #152,749 of 440,172 scored French confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of chaux vs claus
Shared letters: acu. Private to "chaux": hx. Private to "claus": ls.
"chaux" · 5 letters · shape CCVVC · "claus" · 5 letters · shape CCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "chaux" for "claus" ever safe?
In ordinary French text, does "chaux" or "claus" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "chaux" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "claus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #152,749 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "chaux" and "claus" also get mixed up with nearby pairs, the highest-scored neighbour is "casus vs claus". 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 #152,749 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.