onsvsoopsWhat's the difference?

Quick tell: ons is a pronoun, oops is an intj, so they fill different roles in a sentence.

Which to use

“ons” is a pronoun and “oops” is an intj - they look or sound alike but fill different roles in a sentence.

#48,564
“ons” frequency rank
#36,140
“oops” frequency rank
84704
confusion score

Side-by-Side Comparison

Feature ons oops
Definition pronome pessoal neutro do caso nominativo da terceira pessoa do plural opa, ops, ups (reconhecendo um erro)

Where the eye mixes ons and oops

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
ons
4 ch
oops

Why the eye confuses ons with oops

These two trip readers on the page rather than in the ear: ons is /ons/ while oops is /uːps/, /ʊps/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (pronoun vs intj), which is usually the fastest check. Our composite confusion score for this pair is 84704, derived from the frequency rank of both members and their visual similarity.

ons is recorded at frequency rank #48,564, classified as apron, pronounced /ons/. oops is at rank #36,140, tagged as anintj, pronounced /uːps/, /ʊps/.

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 84704, this pair ranks #758 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ons vs oops

Shared letters: os. Private to "ons": n. Private to "oops": p.

"ons" · 3 letters · shape VCC  ·  "oops" · 4 letters · shape VVCC

Known mistypes of this pair

  • oopsoopps · oopss · oosp · opos · ops

Frequently Asked Questions

Is swapping "ons" for "oops" ever safe?
No - they are not even the same part of speech. "ons" is a pronoun and "oops" an intj, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "ons" or "oops" show up more?
"oops" is the more common of the two: it sits at frequency rank #36,140 in our Portuguese list, against #48,564 for "ons". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "ons" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "oops" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #758 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ons" and "oops" 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 #758 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