Which to use
“oco” is an adjective and “ono” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #27,951
- “oco” frequency rank
- #37,444
- “ono” frequency rank
- 65395
- confusion score
Side-by-Side Comparison
| Feature | oco | ono |
|---|---|---|
| Definition | que não tem miolo | pronome pessoal neutro do caso nominativo da terceira pessoa do singular |
Letter map: oco vs ono
Shared letters muted; letters that set oco and ono apart highlighted. Shared run: 2. oco and ono follow the identical consonant-vowel pattern (VCV). Same shape at a glance is often the real trap, independent of shared letters.
Role in the sentence - oco and ono
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: oco is anadjective and onoapronoun. On the page they differ by a single letter - c in “oco” becomes n in “ono”. Our composite confusion score for this pair is 65395, derived from the frequency rank of both members and their visual similarity.
oco is recorded at frequency rank #27,951, classified as anadj, pronounced /ˈo.ku/. ono is at rank #37,444, 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 65395, this pair ranks #5,399 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of oco vs ono
Shared letters: o. Private to "oco": c. Private to "ono": n.
"oco" · 3 letters · shape VCV · "ono" · 3 letters · shape VCV
Frequently Asked Questions
Can "oco" and "ono" be used interchangeably?
Which is more common, "oco" or "ono"?
What to do next
Done with this confusable. These links stay specific to "oco" and "ono".
- Full dictionary entry for "oco" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ono" - compare definitions side by side with the headword page. Word entry
- This pair ranks #5,399 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "oco" and "ono" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ono". Nearby pair
Confusion rank #5,399 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.