óciovsóxidoTell them apart

Which to use

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

#34,525
“ócio” frequency rank
#22,506
“óxido” frequency rank
57031
confusion score

Side-by-Side Comparison

Feature ócio óxido
Definition não ter nada o que fazer designação genérica dos compostos químicos binários formados por átomos de oxigênio e outros elementos, onde o oxigênio é mais eletronegativo

Where the eye mixes ócio and óxido

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. ócio runs 4 letters (VCVV) against óxido's 5 (VCVCV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
ócio
5 ch
óxido

Why the eye confuses ócio with óxido

A purely visual mix-up. ócio (/ˈɔ.sju/) and óxido (/ˈɔ.ksi.du/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 57031, 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/. óxido is at rank #22,506, tagged as anoun, pronounced /ˈɔ.ksi.du/.

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 57031, this pair ranks #9,579 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ócio vs óxido

Shared letters: ioó. Private to "ócio": c. Private to "óxido": dx.

"ócio" · 4 letters · shape VCVV  ·  "óxido" · 5 letters · shape VCVCV

Frequently Asked Questions

Do "ócio" and "óxido" mean the same thing in a sentence?
No. They are said differently (/ˈɔ.sju/ versus /ˈɔ.ksi.du/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ócio" or "óxido"?
"óxido" is the more common of the two: it sits at frequency rank #22,506 in our Portuguese list, against #34,525 for "ócio". 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 "ócio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "óxido" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #9,579 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ócio" and "óxido" also get mixed up with nearby pairs, the highest-scored neighbour is "ócio vs oni". Nearby pair

Confusion rank #9,579 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