Which to use
“oh” is an intj and “on” is an adjective - they look or sound alike but fill different roles in a sentence.
- #1,682
- “oh” frequency rank
- #675
- “on” frequency rank
- 2357
- confusion score
Side-by-Side Comparison
| Feature | oh | on |
|---|---|---|
| Definition | ach! | ligado, ativo (na internet) |
Letter map: oh vs on
Shared letters muted; letters that set oh and on apart highlighted. Shared run: 1.
Part-of-speech tell for oh / on
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: oh is anintj and onanadjective. On the page they differ by a single letter - h in “oh” becomes n in “on”. Our composite confusion score for this pair is 2357, 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 ?). on is at rank #675, tagged as anadj.
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 2357, this pair ranks #73,051 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of oh vs on
Shared letters: o. Private to "oh": h. Private to "on": n.
"oh" · 2 letters · shape VC · "on" · 2 letters · shape VC
Frequently Asked Questions
Do "oh" and "on" mean the same thing in a sentence?
In ordinary Portuguese text, does "oh" or "on" show up more?
After this comparison
Done with this confusable. These links stay specific to "oh" and "on".
- Full dictionary entry for "oh" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "on" - compare definitions side by side with the headword page. Word entry
- This pair ranks #73,051 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "oh" and "on" also get mixed up with nearby pairs, the highest-scored neighbour is "oh vs oni". Nearby pair
Confusion rank #73,051 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.