chauvschuConfusable pair

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

Which to use

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

#49,350
“chau” frequency rank
#24,559
“chu” frequency rank
73909
confusion score

Side-by-Side Comparison

Feature chau chu
Definition até logo; adeus! particípio passado do verbo choir

Where the eye mixes chau and chu

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
chau
3 ch
chu

Visual trap between chau and chu

These two trip readers on the page rather than in the ear: chau is /ʃaʊ/ while chu is /ʃy/, /ʃːy/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (intj vs verb), which is usually the fastest check. Our composite confusion score for this pair is 73909, derived from the frequency rank of both members and their visual similarity.

chau is recorded at frequency rank #49,350, classified as anintj, pronounced /ʃaʊ/. 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 73909, this pair ranks #2,653 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of chau vs chu

Shared letters: chu. Private to "chau": a. Private to "chu": -.

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

Known mistypes of this pair

  • chaucahu · cchau · chhau · chua · hcau

Frequently Asked Questions

Is swapping "chau" for "chu" ever safe?
No - they are not even the same part of speech. "chau" is an intj and "chu" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "chau" or "chu" show up more?
"chu" is the more common of the two: it sits at frequency rank #24,559 in our Portuguese list, against #49,350 for "chau". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "chau" 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 #2,653 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "chau" and "chu" also get mixed up with nearby pairs, the highest-scored neighbour is "chau vs ciao". 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 #2,653 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