caosvscoTell them apart

Quick tell: caos is a noun, co is a pronoun, so they fill different roles in a sentence.

Which to use

“caos” is a noun and “co” is a pronoun - they look or sound alike but fill different roles in a sentence.

#4,128
“caos” frequency rank
#2,005
“co” frequency rank
6133
confusion score

Side-by-Side Comparison

Feature caos co
Definition espaço limitado e amorfo que precedeu à criação do cosmo que

Letter map: caos vs co

Shared letters muted; letters that set caos and co apart highlighted. Shared run: 2.

4 ch
caos
2 ch
co

Part-of-speech tell for caos / co

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: caos is anoun and coapronoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 6133, 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/. co is at rank #2,005, tagged as apron.

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 6133, this pair ranks #68,360 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of caos vs co

Shared letters: co. Private to "caos": as. Private to "co": -.

"caos" · 4 letters · shape CVVC  ·  "co" · 2 letters · shape CV

Known mistypes of this pair

  • caosacos · caoss · ccaos · coas

Frequently Asked Questions

Do "caos" and "co" mean the same thing in a sentence?
No - they are not even the same part of speech. "caos" is a noun and "co" a pronoun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "caos" or "co"?
"co" is the more common of the two: it sits at frequency rank #2,005 in our Portuguese list, against #4,128 for "caos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

You've compared "caos" and "co". Here's where to go from here.

  • Full dictionary entry for "caos" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "co" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #68,360 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "caos" and "co" 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 #68,360 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