oi vs ons, What's the Difference?

Which to use

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

#631
“oi” frequency rank: #48,564
“ons” frequency rank: 49195
confusion score

Side-by-Side Comparison

Feature	oi	ons
Definition	expressa cumprimento que se faz ao encontrar uma pessoa	pronome pessoal neutro do caso nominativo da terceira pessoa do plural

Letter map: oi vs ons

Shared letters muted; letters that set oi and ons apart highlighted. Shared run: 1.

2 ch

3 ch

ons

Grammar separator: oi vs ons

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: oi is anintj and onsapronoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 49195, derived from the frequency rank of both members and their visual similarity.

oi is recorded at frequency rank #631, classified as anintj. ons is at rank #48,564, tagged as apron, pronounced /ons/.

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 49195, this pair ranks #15,866 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of oi vs ons

Shared letters: o. Private to "oi": i. Private to "ons": ns.

"oi" · 2 letters · shape VV · "ons" · 3 letters · shape VCC

Frequently Asked Questions

Do "oi" and "ons" mean the same thing in a sentence?

No - they are not even the same part of speech. "oi" is an intj and "ons" a pronoun, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "oi" or "ons"?

"oi" is the more common of the two: it sits at frequency rank #631 in our Portuguese list, against #48,564 for "ons". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

Pair "oi" vs "ons" is on the table, pick a follow-up below.

Full dictionary entry for "oi" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "ons" - compare definitions side by side with the headword page. Word entry
This pair ranks #15,866 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"oi" and "ons" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ons". Nearby pair

Confusion rank #15,866 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.