onovsossConfusable pair

Which to use

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

#37,444
“ono” frequency rank
#31,905
“oss” frequency rank
69349
confusion score

Side-by-Side Comparison

Feature ono oss
Definition pronome pessoal neutro do caso nominativo da terceira pessoa do singular nos

Letter map: ono vs oss

Shared letters muted; letters that set ono and oss apart highlighted. Shared run: 1.

3 ch
ono
3 ch
oss

Pair insight - ono / oss

ono and oss are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 69349, derived from the frequency rank of both members and their visual similarity.

ono is recorded at frequency rank #37,444, classified as apron. 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 69349, this pair ranks #3,968 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ono vs oss

Shared letters: o. Private to "ono": n. Private to "oss": s.

"ono" · 3 letters · shape VCV  ·  "oss" · 3 letters · shape VCC

Frequently Asked Questions

Can "ono" and "oss" be used interchangeably?
No. They share most of their letters but differ in 2 positions, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
In ordinary Portuguese text, does "ono" or "oss" show up more?
"oss" is the more common of the two: it sits at frequency rank #31,905 in our Portuguese list, against #37,444 for "ono". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "ono" and "oss". Here's where to go from here.

  • Full dictionary entry for "ono" 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 #3,968 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ono" and "oss" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ono". Nearby pair

Confusion rank #3,968 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