onivsossWhich spelling fits?

Which to use

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

#49,618
“oni” frequency rank
#31,905
“oss” frequency rank
81523
confusion score

Side-by-Side Comparison

Feature oni oss
Definition pronome pessoal do caso nominativo da terceira pessoa do plural de gênero masculino pessoal, eles nos

Letter map: oni vs oss

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

3 ch
oni
3 ch
oss

Corpus notes: oni and oss

oni 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 81523, derived from the frequency rank of both members and their visual similarity.

oni is recorded at frequency rank #49,618, 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 81523, this pair ranks #1,151 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of oni vs oss

Shared letters: o. Private to "oni": in. Private to "oss": s.

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

Frequently Asked Questions

Is swapping "oni" for "oss" ever safe?
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.
Frequency check: "oni" vs "oss" - which ranks higher?
"oss" is the more common of the two: it sits at frequency rank #31,905 in our Portuguese list, against #49,618 for "oni". 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 "oni" and "oss". Here's where to go from here.

  • Full dictionary entry for "oni" 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 #1,151 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "oni" and "oss" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ons". Nearby pair

Confusion rank #1,151 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