Which to use
“opa” is an adjective and “opaco” is a verb - they look or sound alike but fill different roles in a sentence.
- #37,239
- “opa” frequency rank
- #31,905
- “opaco” frequency rank
- 69144
- confusion score
Side-by-Side Comparison
| Feature | opa | opaco |
|---|---|---|
| Definition | Tonto. | Primera persona del singular (yo) del presente de indicativo de opacar. |
Where the eye mixes opa and opaco
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses opa with opaco
These two trip readers on the page rather than in the ear: opa is [ˈopa] while opaco is [oˈpako]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “opa” sits inside “opaco”, and the parts of speech differ too (adjective vs verb), which is usually the fastest check. Our composite confusion score for this pair is 69144, derived from the frequency rank of both members and their visual similarity.
opa is recorded at frequency rank #37,239, classified as anadj, pronounced [ˈopa]. opaco is at rank #31,905, tagged as averb, pronounced [oˈpako].
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 69144, this pair ranks #32,713 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of opa vs opaco
Shared letters: aop. Private to "opa": -. Private to "opaco": c.
"opa" · 3 letters · shape VCV · "opaco" · 5 letters · shape VCVCV
Known mistypes of this pair
- opaco ← oapco · opacco · opaoc · opcao · oppaco · poaco
Frequently Asked Questions
Do "opa" and "opaco" mean the same thing in a sentence?
In ordinary Spanish text, does "opa" or "opaco" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "opa" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "opaco" - compare definitions side by side with the headword page. Word entry
- This pair ranks #32,713 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "opa" and "opaco" also get mixed up with nearby pairs, the highest-scored neighbour is "oirá 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 #32,713 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.