chãovschuTell them apart

Quick tell: chão is a noun, chu is a verb, so they fill different roles in a sentence.

Which to use

“chão” is a noun and “chu” is a verb - they look or sound alike but fill different roles in a sentence.

#1,140
“chão” frequency rank
#24,559
“chu” frequency rank
25699
confusion score

Side-by-Side Comparison

Feature chão chu
Definition corda particípio passado do verbo choir

Letter map: chão vs chu

Shared letters muted; letters that set chão and chu apart highlighted. Shared run: 2.

4 ch
chão
3 ch
chu

Role in the sentence - chão and chu

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: chão is anoun and chuaverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 25699, derived from the frequency rank of both members and their visual similarity.

chão is recorded at frequency rank #1,140, classified as anoun. chu is at rank #24,559, tagged as averb, pronounced /ʃy/, /ʃːy/.

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 25699, this pair ranks #43,569 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chão vs chu

Shared letters: ch. Private to "chão": . Private to "chu": u.

"chão" · 4 letters · shape CCVV  ·  "chu" · 3 letters · shape CCV

Frequently Asked Questions

Do "chão" and "chu" mean the same thing in a sentence?
No - they are not even the same part of speech. "chão" is a noun and "chu" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "chão" vs "chu" - which ranks higher?
"chão" is the more common of the two: it sits at frequency rank #1,140 in our Portuguese list, against #24,559 for "chu". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Done with this confusable. These links stay specific to "chão" and "chu".

  • Full dictionary entry for "chão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "chu" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #43,569 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "chão" and "chu" also get mixed up with nearby pairs, the highest-scored neighbour is "chau vs chu". Nearby pair

Confusion rank #43,569 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