Which to use
“OCC” is a name and “oni” is a noun - they look or sound alike but fill different roles in a sentence.
- #43,291
- “OCC” frequency rank
- #36,267
- “oni” frequency rank
- 79558
- confusion score
Side-by-Side Comparison
| Feature | OCC | oni |
|---|---|---|
| Definition | Initialism of Office of the Comptroller of the Currency. | A Japanese evil spirit or demon. |
Letter map: OCC vs oni
Shared letters muted; letters that set OCC and oni apart highlighted. Shared run: 1. OCC (VCC) and oni (VCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Role in the sentence - OCC and oni
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: OCC is aname and onianoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 79558, derived from the frequency rank of both members and their visual similarity.
OCC is recorded at frequency rank #43,291, classified as aname. oni is at rank #36,267, tagged as anoun, pronounced /ˈəʊni/.
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 79558, this pair ranks #21,799 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of OCC vs oni
Shared letters: o. Private to "OCC": c. Private to "oni": in.
"OCC" · 3 letters · shape VCC · "oni" · 3 letters · shape VCV
Frequently Asked Questions
Do "OCC" and "oni" mean the same thing in a sentence?
Frequency check: "OCC" vs "oni" - which ranks higher?
Useful next steps
Done with this confusable. These links stay specific to "OCC" and "oni".
- Full dictionary entry for "OCC" 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 #21,799 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "OCC" and "oni" also get mixed up with nearby pairs, the highest-scored neighbour is "OCC vs omi". Nearby pair
Confusion rank #21,799 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.