casavsclãWhich spelling fits?

Which to use

“casa” and “clã” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#91
“casa” frequency rank
#8,588
“clã” frequency rank
8679
confusion score

Side-by-Side Comparison

Feature casa clã
Definition construção que serve de moradia grupo de famílias que se consideram descendentes dos mesmos ancestrais

Where the eye mixes casa and clã

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

4 ch
casa
3 ch
clã

Visual trap between casa and clã

A purely visual mix-up. casa (/ˈka.zɐ/) and clã (/ˈklɐ̃/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 8679, derived from the frequency rank of both members and their visual similarity.

casa is recorded at frequency rank #91, classified as anoun, pronounced /ˈka.zɐ/. 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 8679, this pair ranks #65,002 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of casa vs clã

Shared letters: c. Private to "casa": as. Private to "clã": .

"casa" · 4 letters · shape CVCV  ·  "clã" · 3 letters · shape CCV

Known mistypes of this pair

  • casaacsa · caas · cassa · ccasa · csaa

Frequently Asked Questions

Is swapping "casa" for "clã" ever safe?
No. They are said differently (/ˈka.zɐ/ versus /ˈklɐ̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "casa" or "clã"?
"casa" is the more common of the two: it sits at frequency rank #91 in our Portuguese list, against #8,588 for "clã". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "casa" 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 #65,002 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "casa" and "clã" also get mixed up with nearby pairs, the highest-scored neighbour is "chau vs clã". 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 #65,002 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