Which to use
“oco” is an adjective and “oss” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #27,951
- “oco” frequency rank
- #31,905
- “oss” frequency rank
- 59856
- confusion score
Side-by-Side Comparison
| Feature | oco | oss |
|---|---|---|
| Definition | que não tem miolo | nos |
Letter map: oco vs oss
Shared letters muted; letters that set oco and oss apart highlighted. Shared run: 1. oco (VCV) and oss (VCC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Grammar separator: oco vs oss
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: oco is anadjective and ossapronoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 59856, 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/. oss is at rank #31,905, 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 59856, this pair ranks #7,969 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of oco vs oss
Shared letters: o. Private to "oco": c. Private to "oss": s.
"oco" · 3 letters · shape VCV · "oss" · 3 letters · shape VCC
Frequently Asked Questions
Do "oco" and "oss" mean the same thing in a sentence?
In ordinary Portuguese text, does "oco" or "oss" show up more?
Useful next steps
You've compared "oco" and "oss". Here's where to go from here.
- Full dictionary entry for "oco" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "oss" - compare definitions side by side with the headword page. Word entry
- This pair ranks #7,969 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "oco" and "oss" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs oss". Nearby pair
Confusion rank #7,969 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.