Which to use
“opa” and “opus” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #39,466
- “opa” frequency rank
- #23,619
- “opus” frequency rank
- 63085
- confusion score
Side-by-Side Comparison
| Feature | opa | opus |
|---|---|---|
| Definition | Grandfather, grandpa. | A work of music or set of works with a specified rank in an ordering of a composer's complete published works. |
Letter map: opa vs opus
Shared letters muted; letters that set opa and opus apart highlighted. Shared run: 2.
Corpus notes: opa and opus
opa 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 63085, derived from the frequency rank of both members and their visual similarity.
opa is recorded at frequency rank #39,466, 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 63085, this pair ranks #84,971 of 530,003 scored English confusable pairs - among the most confusable pairs.
Orthographic DNA of opa vs opus
Shared letters: op. Private to "opa": a. Private to "opus": su.
"opa" · 3 letters · shape VCV · "opus" · 4 letters · shape VCVC
Known mistypes of this pair
- opus ← oppus · opsu · opuss · oups · pous
Frequently Asked Questions
Is swapping "opa" for "opus" ever safe?
Frequency check: "opa" vs "opus" - which ranks higher?
Useful next steps
You've compared "opa" and "opus". Here's where to go from here.
- Full dictionary entry for "opa" 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 #84,971 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "opa" and "opus" also get mixed up with nearby pairs, the highest-scored neighbour is "omi vs opa". 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 #84,971 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.