chauvschaveTell them apart

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

Which to use

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

#49,350
“chau” frequency rank
#1,329
“chave” frequency rank
50679
confusion score

Side-by-Side Comparison

Feature chau chave
Definition até logo; adeus! objeto usado para abrir e fechar uma fechadura, algemas ou cadeado

Where the eye mixes chau and chave

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. chau runs 4 letters (CCVV) against chave's 5 (CCVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
chau
5 ch
chave

Why the eye confuses chau with chave

These two trip readers on the page rather than in the ear: chau is /ʃaʊ/ while chave is /ˈʃa.vɨ/. 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 noun), which is usually the fastest check. Our composite confusion score for this pair is 50679, 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/. chave is at rank #1,329, tagged as anoun, pronounced /ˈʃa.vɨ/.

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 50679, this pair ranks #14,274 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of chau vs chave

Shared letters: ach. Private to "chau": u. Private to "chave": ev.

"chau" · 4 letters · shape CCVV  ·  "chave" · 5 letters · shape CCVCV

Known mistypes of this pair

  • chau ← cahu · cchau · chhau · chua · hcau
  • chave ← cahve · cchave · chaev · chavve · chhave · chvae · hcave

Frequently Asked Questions

Is swapping "chau" for "chave" ever safe?
No - they are not even the same part of speech. "chau" is an intj and "chave" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "chau" or "chave" show up more?
"chave" is the more common of the two: it sits at frequency rank #1,329 in our Portuguese list, against #49,350 for "chau". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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 "chave" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #14,274 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "chau" and "chave" 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 #14,274 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