caixavscasaTell them apart

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

Which to use

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

#1,208
“caixa” frequency rank
#91
“casa” frequency rank
1299
confusion score

Side-by-Side Comparison

Feature caixa casa
Definition expressa que se consegue o objetivo, a meta construção que serve de moradia

Where the eye mixes caixa and casa

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

5 ch
caixa
4 ch
casa

Visual trap between caixa and casa

These two trip readers on the page rather than in the ear: caixa is /'ka.ʃɐ/, /'kaj.ʃɐ/ while casa is /ˈka.zɐ/. 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 1299, derived from the frequency rank of both members and their visual similarity.

caixa is recorded at frequency rank #1,208, classified as anintj, pronounced /'ka.ʃɐ/, /'kaj.ʃɐ/. casa is at rank #91, tagged as anoun, pronounced /ˈka.zɐ/.

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 1299, this pair ranks #74,283 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of caixa vs casa

Shared letters: ac. Private to "caixa": ix. Private to "casa": s.

"caixa" · 5 letters · shape CVVCV  ·  "casa" · 4 letters · shape CVCV

Known mistypes of this pair

  • caixaacixa · caiax · caixxa · caxia · ccaixa · ciaxa
  • casaacsa · caas · cassa · ccasa · csaa

Frequently Asked Questions

Can "caixa" and "casa" be used interchangeably?
No - they are not even the same part of speech. "caixa" is an intj and "casa" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "caixa" or "casa"?
"casa" is the more common of the two: it sits at frequency rank #91 in our Portuguese list, against #1,208 for "caixa". 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 "caixa" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "casa" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #74,283 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "caixa" and "casa" also get mixed up with nearby pairs, the highest-scored neighbour is "cabina vs caixa". 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 #74,283 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