chuvsclãTell them apart

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

Which to use

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

#24,559
“chu” frequency rank
#8,588
“clã” frequency rank
33147
confusion score

Side-by-Side Comparison

Feature chu clã
Definition particípio passado do verbo choir grupo de famílias que se consideram descendentes dos mesmos ancestrais

Where the eye mixes chu and clã

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
chu
3 ch
clã

Why the eye confuses chu with clã

These two trip readers on the page rather than in the ear: chu is /ʃy/, /ʃːy/ while clã is /ˈklɐ̃/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 33147, derived from the frequency rank of both members and their visual similarity.

chu is recorded at frequency rank #24,559, classified as averb, pronounced /ʃy/, /ʃːy/. clã is at rank #8,588, tagged as anoun, pronounced /ˈklɐ̃/.

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 33147, this pair ranks #34,449 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of chu vs clã

Shared letters: c. Private to "chu": hu. Private to "clã": .

"chu" · 3 letters · shape CCV  ·  "clã" · 3 letters · shape CCV

Frequently Asked Questions

Can "chu" and "clã" be used interchangeably?
No - they are not even the same part of speech. "chu" is a verb and "clã" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "chu" or "clã" show up more?
"clã" is the more common of the two: it sits at frequency rank #8,588 in our Portuguese list, against #24,559 for "chu". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "chu" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "clã" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #34,449 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "chu" and "clã" also get mixed up with nearby pairs, the highest-scored neighbour is "chau vs chu". Nearby pair

Confusion rank #34,449 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