onivsonzeConfusable pair

Quick tell: oni is a pronoun, onze is a num, so they fill different roles in a sentence.

Which to use

“oni” is a pronoun and “onze” is a num - they look or sound alike but fill different roles in a sentence.

#49,618
“oni” frequency rank
#5,665
“onze” frequency rank
55283
confusion score

Side-by-Side Comparison

Feature oni onze
Definition pronome pessoal do caso nominativo da terceira pessoa do plural de gênero masculino pessoal, eles número equivalente a dez mais um; cardinalidade de um conjunto que contenha onze elementos distintos; representado pelo símbolo 11 (algarismos arábicos) ou XI (algarismos romanos)

Letter map: oni vs onze

Shared letters muted; letters that set oni and onze apart highlighted. Shared run: 2.

3 ch
oni
4 ch
onze

Role in the sentence - oni and onze

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: oni is apronoun and onzeanum. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 55283, derived from the frequency rank of both members and their visual similarity.

oni is recorded at frequency rank #49,618, classified as apron. onze is at rank #5,665, tagged as anum, pronounced /ˈõ.zɨ/.

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 55283, this pair ranks #10,689 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of oni vs onze

Shared letters: no. Private to "oni": i. Private to "onze": ez.

"oni" · 3 letters · shape VCV  ·  "onze" · 4 letters · shape VCCV

Known mistypes of this pair

  • onzenoze · onez · onnze · onzze · ozne

Frequently Asked Questions

Is swapping "oni" for "onze" ever safe?
No - they are not even the same part of speech. "oni" is a pronoun and "onze" a num, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "oni" or "onze"?
"onze" is the more common of the two: it sits at frequency rank #5,665 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.

After this comparison

Pair "oni" vs "onze" is on the table, pick a follow-up below.

  • Full dictionary entry for "oni" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "onze" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #10,689 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "oni" and "onze" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ons". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #10,689 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