Which to use
“chah” and “chaux” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #47,782
- “chah” frequency rank
- #12,530
- “chaux” frequency rank
- 60312
- confusion score
Side-by-Side Comparison
| Feature | chah | chaux |
|---|---|---|
| Definition | Titre des monarques de Perse, puis de l’Iran. | Oxyde de calcium, alcalin fort, obtenu par la décarbonatation à haute température, durant un temps long, de roches calcaires (→ voir chaux vive). |
Where the eye mixes chah and chaux
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. chah runs 4 letters (CCVC) against chaux's 5 (CCVVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between chah and chaux
A purely visual mix-up. chah (\ʃa\) and chaux (\ʃo\) 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 60312, derived from the frequency rank of both members and their visual similarity.
chah is recorded at frequency rank #47,782, classified as anoun, pronounced \ʃa\. chaux is at rank #12,530, tagged as anoun, pronounced \ʃo\.
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 60312, this pair ranks #98,269 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of chah vs chaux
Shared letters: ach. Private to "chah": -. Private to "chaux": ux.
"chah" · 4 letters · shape CCVC · "chaux" · 5 letters · shape CCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "chah" for "chaux" ever safe?
In ordinary French text, does "chah" or "chaux" show up more?
Useful next steps
Eye-level mix-up between "chah" and "chaux" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "chah" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "chaux" - compare definitions side by side with the headword page. Word entry
- This pair ranks #98,269 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "chah" and "chaux" also get mixed up with nearby pairs, the highest-scored neighbour is "CCAS vs chah". 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 #98,269 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.