Which to use
“ono” is a pronoun and “ouro” is an adjective - they look or sound alike but fill different roles in a sentence.
- #37,444
- “ono” frequency rank
- #876
- “ouro” frequency rank
- 38320
- confusion score
Side-by-Side Comparison
| Feature | ono | ouro |
|---|---|---|
| Definition | pronome pessoal neutro do caso nominativo da terceira pessoa do singular | da cor de ouro |
Letter map: ono vs ouro
Shared letters muted; letters that set ono and ouro apart highlighted. Shared run: 2.
Part-of-speech tell for ono / ouro
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ono is apronoun and ouroanadjective. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 38320, derived from the frequency rank of both members and their visual similarity.
ono is recorded at frequency rank #37,444, classified as apron. 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 38320, this pair ranks #28,155 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of ono vs ouro
Shared letters: o. Private to "ono": n. Private to "ouro": ru.
"ono" · 3 letters · shape VCV · "ouro" · 4 letters · shape VVCV
Known mistypes of this pair
- ouro ← oruo · ouor · ourro · uoro
Frequently Asked Questions
Can "ono" and "ouro" be used interchangeably?
In ordinary Portuguese text, does "ono" or "ouro" show up more?
After this comparison
Pair "ono" vs "ouro" is on the table, pick a follow-up below.
- Full dictionary entry for "ono" 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 #28,155 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ono" and "ouro" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ono". 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 #28,155 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.