Which to use
“OPI” and “opus” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #45,558
- “OPI” frequency rank
- #23,619
- “opus” frequency rank
- 69177
- confusion score
Side-by-Side Comparison
| Feature | OPI | opus |
|---|---|---|
| Definition | Initialism of office of primary interest. | A work of music or set of works with a specified rank in an ordering of a composer's complete published works. |
Letter map: OPI vs opus
Shared letters muted; letters that set OPI and opus apart highlighted. Shared run: 2.
Pair insight - OPI / opus
OPI and opus are indexed as a confusable English 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 1 letter(s) in length. Our composite confusion score for this pair is 69177, derived from the frequency rank of both members and their visual similarity.
OPI is recorded at frequency rank #45,558, classified as anoun. opus is at rank #23,619, tagged as anoun, pronounced /ˈəʊpəs/.
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 69177, this pair ranks #55,655 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of OPI vs opus
Shared letters: op. Private to "OPI": i. Private to "opus": su.
"OPI" · 3 letters · shape VCV · "opus" · 4 letters · shape VCVC
Known mistypes of this pair
- opus ← oppus · opsu · opuss · oups · pous
Frequently Asked Questions
Can "OPI" and "opus" be used interchangeably?
Frequency check: "OPI" vs "opus" - which ranks higher?
What to do next
Pair "OPI" vs "opus" is on the table, pick a follow-up below.
- Full dictionary entry for "OPI" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "opus" - compare definitions side by side with the headword page. Word entry
- This pair ranks #55,655 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "OPI" and "opus" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs OPI". Nearby pair
- Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes
Confusion rank #55,655 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.