óciovsouroWhich spelling fits?

Quick tell: ócio is a noun, ouro is an adjective, so they fill different roles in a sentence.

Which to use

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

#34,525
“ócio” frequency rank
#876
“ouro” frequency rank
35401
confusion score

Side-by-Side Comparison

Feature ócio ouro
Definition não ter nada o que fazer da cor de ouro

Where the eye mixes ócio and ouro

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

4 ch
ócio
4 ch
ouro

Why the eye confuses ócio with ouro

These two trip readers on the page rather than in the ear: ócio is /ˈɔ.sju/ while ouro is /ˈow.ɾu/, /ˈo.ɾu/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 3 positions, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 35401, derived from the frequency rank of both members and their visual similarity.

ócio is recorded at frequency rank #34,525, classified as anoun, pronounced /ˈɔ.sju/. ouro is at rank #876, tagged as anadj, pronounced /ˈow.ɾu/, /ˈo.ɾu/.

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 35401, this pair ranks #31,660 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ócio vs ouro

Shared letters: o. Private to "ócio": ció. Private to "ouro": ru.

"ócio" · 4 letters · shape VCVV  ·  "ouro" · 4 letters · shape VVCV

Known mistypes of this pair

  • ourooruo · ouor · ourro · uoro

Frequently Asked Questions

Is swapping "ócio" for "ouro" ever safe?
No - they are not even the same part of speech. "ócio" is a noun and "ouro" an adjective, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "ócio" or "ouro" show up more?
"ouro" is the more common of the two: it sits at frequency rank #876 in our Portuguese list, against #34,525 for "ócio". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "ócio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ouro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #31,660 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ócio" and "ouro" also get mixed up with nearby pairs, the highest-scored neighbour is "ócio vs oni". 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 #31,660 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