Which to use
“ono” is a pronoun and “Ost” is a noun - they look or sound alike but fill different roles in a sentence.
- #37,444
- “ono” frequency rank
- #27,958
- “Ost” frequency rank
- 65402
- confusion score
Side-by-Side Comparison
| Feature | ono | Ost |
|---|---|---|
| Definition | pronome pessoal neutro do caso nominativo da terceira pessoa do singular | leste |
Letter map: ono vs Ost
Shared letters muted; letters that set ono and Ost apart highlighted. Shared run: 1.
Part-of-speech tell for ono / Ost
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ono is apronoun and Ostanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 65402, derived from the frequency rank of both members and their visual similarity.
ono is recorded at frequency rank #37,444, classified as apron. Ost is at rank #27,958, tagged as anoun, pronounced /ɔst/.
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 65402, this pair ranks #5,394 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ono vs Ost
Shared letters: o. Private to "ono": n. Private to "Ost": st.
"ono" · 3 letters · shape VCV · "Ost" · 3 letters · shape VCC
Frequently Asked Questions
Can "ono" and "Ost" be used interchangeably?
In ordinary Portuguese text, does "ono" or "Ost" show up more?
After this comparison
You've compared "ono" and "Ost". Here's where to go from here.
- Full dictionary entry for "ono" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Ost" - compare definitions side by side with the headword page. Word entry
- This pair ranks #5,394 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ono" and "Ost" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ono". Nearby pair
Confusion rank #5,394 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.