Which to use
“oni” is a noun and “out” is an adverb - they look or sound alike but fill different roles in a sentence.
- #36,267
- “oni” frequency rank
- #45
- “out” frequency rank
- 36312
- confusion score
Side-by-Side Comparison
| Feature | oni | out |
|---|---|---|
| Definition | A Japanese evil spirit or demon. | Away from the inside or centre. |
Where the eye mixes oni and out
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between oni and out
These two trip readers on the page rather than in the ear: oni is /ˈəʊni/ while out is /aʊt/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 36312, 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/. out is at rank #45, tagged as anadv, pronounced /aʊt/.
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 36312, this pair ranks #304,208 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of oni vs out
Shared letters: o. Private to "oni": in. Private to "out": tu.
"oni" · 3 letters · shape VCV · "out" · 3 letters · shape VVC
Frequently Asked Questions
Is swapping "oni" for "out" ever safe?
Frequency check: "oni" vs "out" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "oni" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "out" - compare definitions side by side with the headword page. Word entry
- This pair ranks #304,208 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "oni" and "out" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs oni". Nearby pair
Confusion rank #304,208 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.