Which to use
“cha” and “cosa” are a confusable French pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #12,331
- “cha” frequency rank
- #46,679
- “cosa” frequency rank
- 59010
- confusion score
Side-by-Side Comparison
| Feature | cha | cosa |
|---|---|---|
| Definition | Vingt-sixième lettre de l’alphabet cyrillique, ш. | Variante du IXᵉ siècle de chose. |
Where the eye mixes cha and cosa
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Why the eye confuses cha with cosa
A purely visual mix-up. cha (\ʃa\) and cosa (\ˈkɔza ~ˈkɔzə\) 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 59010, derived from the frequency rank of both members and their visual similarity.
cha is recorded at frequency rank #12,331, classified as anoun, pronounced \ʃa\. cosa is at rank #46,679, tagged as anoun, pronounced \ˈkɔza ~ˈkɔzə\.
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 59010, this pair ranks #105,598 of 440,172 scored French confusable pairs - among the most confusable pairs.
Orthographic DNA of cha vs cosa
Shared letters: ac. Private to "cha": h. Private to "cosa": os.
"cha" · 3 letters · shape CCV · "cosa" · 4 letters · shape CVCV
Known mistypes of this pair
- cosa ← ccosa · coas · cossa · csoa · ocsa
Frequently Asked Questions
Do "cha" and "cosa" mean the same thing in a sentence?
Which is more common, "cha" or "cosa"?
Useful next steps
Eye-level mix-up between "cha" and "cosa" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "cha" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cosa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #105,598 of 440,172 scored French confusable pairs in this corpus vintage. Corpus statistics
- "cha" and "cosa" also get mixed up with nearby pairs, the highest-scored neighbour is "cosa vs coupa". 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 #105,598 of 440,172 scored French pairs, corpus vintage 2026-09-03, not spelling advice.