oh vs oi, What's the Difference?

Which to use

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

#1,682
“oh” frequency rank: #631
“oi” frequency rank: 2313
confusion score

Side-by-Side Comparison

Feature	oh	oi
Definition	ach!	expressa cumprimento que se faz ao encontrar uma pessoa

Letter map: oh vs oi

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

2 ch

Pair insight - oh / oi

oh and oi 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 differ by a single letter - h in “oh” becomes i in “oi”. Our composite confusion score for this pair is 2313, derived from the frequency rank of both members and their visual similarity.

oh is recorded at frequency rank #1,682, classified as anintj, pronounced /ˈɔ/ ouvir^(fonte ?). oi is at rank #631, tagged as anintj.

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 2313, this pair ranks #73,112 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of oh vs oi

Shared letters: o. Private to "oh": h. Private to "oi": i.

"oh" · 2 letters · shape VC · "oi" · 2 letters · shape VV

Frequently Asked Questions

Is swapping "oh" for "oi" ever safe?

No. They differ by a single letter - h in “oh” becomes i in “oi”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Frequency check: "oh" vs "oi" - which ranks higher?

"oi" is the more common of the two: it sits at frequency rank #631 in our Portuguese list, against #1,682 for "oh". 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 "oh" and "oi". Here's where to go from here.

Full dictionary entry for "oh" with definition, IPA, and generated misspellings. Word entry
Full dictionary entry for "oi" - compare definitions side by side with the headword page. Word entry
This pair ranks #73,112 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
"oh" and "oi" also get mixed up with nearby pairs, the highest-scored neighbour is "oh vs oni". Nearby pair

Confusion rank #73,112 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.