capvschiWhich spelling fits?

Quick tell: cap is a noun, chi is a pronoun, so they fill different roles in a sentence.

Which to use

“cap” is a noun and “chi” is a pronoun - they look or sound alike but fill different roles in a sentence.

#7,259
“cap” frequency rank
#10,328
“chi” frequency rank
17587
confusion score

Side-by-Side Comparison

Feature cap chi
Definition bode ou carneiro, especialmente velho ou castrado quem

Letter map: cap vs chi

Shared letters muted; letters that set cap and chi apart highlighted. Shared run: 1.

3 ch
cap
3 ch
chi

Part-of-speech tell for cap / chi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: cap is anoun and chiapronoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 17587, derived from the frequency rank of both members and their visual similarity.

cap is recorded at frequency rank #7,259, classified as anoun, pronounced /t͡sap/. chi is at rank #10,328, 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 17587, this pair ranks #53,627 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of cap vs chi

Shared letters: c. Private to "cap": ap. Private to "chi": hi.

"cap" · 3 letters · shape CVC  ·  "chi" · 3 letters · shape CCV

Frequently Asked Questions

Is swapping "cap" for "chi" ever safe?
No - they are not even the same part of speech. "cap" is a noun and "chi" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "cap" vs "chi" - which ranks higher?
"cap" is the more common of the two: it sits at frequency rank #7,259 in our Portuguese list, against #10,328 for "chi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Done with this confusable. These links stay specific to "cap" and "chi".

  • Full dictionary entry for "cap" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "chi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #53,627 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "cap" and "chi" also get mixed up with nearby pairs, the highest-scored neighbour is "chau vs chi". Nearby pair

Confusion rank #53,627 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list