olá vs oni, What's the Difference?

Which to use

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

#1,198
“olá” frequency rank: #49,618
“oni” frequency rank: 50816
confusion score

Side-by-Side Comparison

Feature	olá	oni
Definition	usa-se ao encontrar alguém, como saudação	pronome pessoal do caso nominativo da terceira pessoa do plural de gênero masculino pessoal, eles

Letter map: olá vs oni

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

3 ch

olá

3 ch

oni

Role in the sentence - olá and oni

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: olá is anintj and oniapronoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 50816, derived from the frequency rank of both members and their visual similarity.

olá is recorded at frequency rank #1,198, classified as anintj, pronounced /o.'la/. oni is at rank #49,618, 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 50816, this pair ranks #14,141 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of olá vs oni

Shared letters: o. Private to "olá": lá. Private to "oni": in.

"olá" · 3 letters · shape VCV · "oni" · 3 letters · shape VCV

Frequently Asked Questions

Is swapping "olá" for "oni" ever safe?

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

Which is more common, "olá" or "oni"?

"olá" is the more common of the two: it sits at frequency rank #1,198 in our Portuguese list, against #49,618 for "oni". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

You've compared "olá" and "oni". Here's where to go from here.

Full dictionary entry for "olá" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "oni" - compare definitions side by side with the headword page. Word entry
This pair ranks #14,141 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"olá" and "oni" also get mixed up with nearby pairs, the highest-scored neighbour is "oni vs ons". Nearby pair

Confusion rank #14,141 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.