Which to use
“chi” and “cos” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,328
- “chi” frequency rank
- #27,810
- “cos” frequency rank
- 38138
- confusion score
Side-by-Side Comparison
| Feature | chi | cos |
|---|---|---|
| Definition | quem | qualquer coisa |
Letter map: chi vs cos
Shared letters muted; letters that set chi and cos apart highlighted. Shared run: 1.
Corpus notes: chi and cos
chi and cos are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 38138, derived from the frequency rank of both members and their visual similarity.
chi is recorded at frequency rank #10,328, classified as apron. cos is at rank #27,810, tagged as apron.
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 38138, this pair ranks #28,374 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of chi vs cos
Shared letters: c. Private to "chi": hi. Private to "cos": os.
"chi" · 3 letters · shape CCV · "cos" · 3 letters · shape CVC
Frequently Asked Questions
Is swapping "chi" for "cos" ever safe?
Frequency check: "chi" vs "cos" - which ranks higher?
Useful next steps
Pair "chi" vs "cos" is on the table, pick a follow-up below.
- Full dictionary entry for "chi" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #28,374 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "chi" and "cos" also get mixed up with nearby pairs, the highest-scored neighbour is "coin vs cos". Nearby pair
Confusion rank #28,374 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.