caosvscasaWhat's the difference?

Which to use

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

#4,128
“caos” frequency rank
#91
“casa” frequency rank
4219
confusion score

Side-by-Side Comparison

Feature caos casa
Definition espaço limitado e amorfo que precedeu à criação do cosmo construção que serve de moradia

Where the eye mixes caos and casa

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

4 ch
caos
4 ch
casa

Why the eye confuses caos with casa

A purely visual mix-up. caos (/ˈkaws/) and casa (/ˈka.zɐ/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 4219, derived from the frequency rank of both members and their visual similarity.

caos is recorded at frequency rank #4,128, classified as anoun, pronounced /ˈkaws/. 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 4219, this pair ranks #70,768 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of caos vs casa

Shared letters: acs. Private to "caos": o. Private to "casa": -.

"caos" · 4 letters · shape CVVC  ·  "casa" · 4 letters · shape CVCV

Known mistypes of this pair

  • caosacos · caoss · ccaos · coas
  • casaacsa · caas · cassa · ccasa · csaa

Frequently Asked Questions

Do "caos" and "casa" mean the same thing in a sentence?
No. They are said differently (/ˈkaws/ versus /ˈka.zɐ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "caos" or "casa" show up more?
"casa" is the more common of the two: it sits at frequency rank #91 in our Portuguese list, against #4,128 for "caos". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Eye-level mix-up between "caos" and "casa" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "caos" 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 #70,768 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "caos" and "casa" also get mixed up with nearby pairs, the highest-scored neighbour is "caos 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 #70,768 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