Which to use
“oni” is a noun and “ov” is a preposition - they look or sound alike but fill different roles in a sentence.
- #36,267
- “oni” frequency rank
- #30,526
- “ov” frequency rank
- 66793
- confusion score
Side-by-Side Comparison
| Feature | oni | ov |
|---|---|---|
| Definition | A Japanese evil spirit or demon. | Alternative spelling of of. |
Letter map: oni vs ov
Shared letters muted; letters that set oni and ov apart highlighted. Shared run: 1.
Role in the sentence - oni and ov
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: oni is anoun and ovapreposition. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 66793, derived from the frequency rank of both members and their visual similarity.
oni is recorded at frequency rank #36,267, classified as anoun, pronounced /ˈəʊni/. ov is at rank #30,526, tagged as aprep.
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 66793, this pair ranks #66,347 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of oni vs ov
Shared letters: o. Private to "oni": in. Private to "ov": v.
"oni" · 3 letters · shape VCV · "ov" · 2 letters · shape VC
Frequently Asked Questions
Can "oni" and "ov" be used interchangeably?
Which is more common, "oni" or "ov"?
Useful next steps
Pair "oni" vs "ov" is on the table, pick a follow-up below.
- Full dictionary entry for "oni" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "ov" - compare definitions side by side with the headword page. Word entry
- This pair ranks #66,347 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "oni" and "ov" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs oni". Nearby pair
Confusion rank #66,347 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.