Which to use
“Chao” is a name and “co” is a noun - they look or sound alike but fill different roles in a sentence.
- #26,718
- “Chao” frequency rank
- #617
- “co” frequency rank
- 27335
- confusion score
Side-by-Side Comparison
| Feature | Chao | co |
|---|---|---|
| Definition | A surname from Chinese. | Clipping of company. |
Where the eye mixes Chao and co
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Look-alike desk: Chao vs co
These two trip readers on the page rather than in the ear: Chao is /t͡ʃaʊ/ while co is /kəʊ/. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (name vs noun), which is usually the fastest check. Our composite confusion score for this pair is 27335, derived from the frequency rank of both members and their visual similarity.
Chao is recorded at frequency rank #26,718, classified as aname, pronounced /t͡ʃaʊ/. co is at rank #617, tagged as anoun, pronounced /kəʊ/.
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 27335, this pair ranks #379,759 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of Chao vs co
Shared letters: co. Private to "Chao": ah. Private to "co": -.
"Chao" · 4 letters · shape CCVV · "co" · 2 letters · shape CV
Known mistypes of this pair
- Chao ← caho · cchao · chhao · choa · hcao
Frequently Asked Questions
Is swapping "Chao" for "co" ever safe?
Which is more common, "Chao" or "co"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "Chao" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "co" - compare definitions side by side with the headword page. Word entry
- This pair ranks #379,759 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "Chao" and "co" also get mixed up with nearby pairs, the highest-scored neighbour is "caw vs Chao". 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 #379,759 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.