calmvscaosWhat's the difference?

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

Which to use

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

#34,176
“calm” frequency rank
#4,128
“caos” frequency rank
38304
confusion score

Side-by-Side Comparison

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

Where the eye mixes calm and caos

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
calm
4 ch
caos

Why the eye confuses calm with caos

These two trip readers on the page rather than in the ear: calm is /kɑːm/ while caos is /ˈkaws/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 38304, derived from the frequency rank of both members and their visual similarity.

calm is recorded at frequency rank #34,176, classified as anadj, pronounced /kɑːm/. caos is at rank #4,128, tagged as anoun, pronounced /ˈkaws/.

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 38304, this pair ranks #28,174 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of calm vs caos

Shared letters: ac. Private to "calm": lm. Private to "caos": os.

"calm" · 4 letters · shape CVCC  ·  "caos" · 4 letters · shape CVVC

Known mistypes of this pair

  • calmaclm · callm · calmm · caml · ccalm · clam
  • caosacos · caoss · ccaos · coas

Frequently Asked Questions

Is swapping "calm" for "caos" ever safe?
No - they are not even the same part of speech. "calm" is an adjective and "caos" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "calm" or "caos"?
"caos" is the more common of the two: it sits at frequency rank #4,128 in our Portuguese list, against #34,176 for "calm". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "calm" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #28,174 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "calm" and "caos" also get mixed up with nearby pairs, the highest-scored neighbour is "calm vs cham". 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 #28,174 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