opacavsopacoWhich spelling fits?

Which to use

“opaca” and “opaco” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#32,783
“opaca” frequency rank
#31,905
“opaco” frequency rank
64688
confusion score

Side-by-Side Comparison

Feature opaca opaco
Definition Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de opacar. Primera persona del singular (yo) del presente de indicativo de opacar.

Where the eye mixes opaca and opaco

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

5 ch
opaca
5 ch
opaco

Look-alike desk: opaca vs opaco

A purely visual mix-up. opaca ([oˈpaka]) and opaco ([oˈpako]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by a single letter - a in “opaca” becomes o in “opaco”. Our composite confusion score for this pair is 64688, derived from the frequency rank of both members and their visual similarity.

opaca is recorded at frequency rank #32,783, classified as averb, pronounced [oˈpaka]. 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 64688, this pair ranks #44,868 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of opaca vs opaco

Shared letters: acop. Private to "opaca": -. Private to "opaco": -.

"opaca" · 5 letters · shape VCVCV  ·  "opaco" · 5 letters · shape VCVCV

Known mistypes of this pair

  • opacaoapca · opaac · opacca · opcaa · oppaca · poaca
  • opacooapco · opacco · opaoc · opcao · oppaco · poaco

Frequently Asked Questions

Can "opaca" and "opaco" be used interchangeably?
No. They are said differently ([oˈpaka] versus [oˈpako]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "opaca" vs "opaco" - which ranks higher?
"opaco" is the more common of the two: it sits at frequency rank #31,905 in our Spanish list, against #32,783 for "opaca". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Eye-level mix-up between "opaca" and "opaco" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "opaca" 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 #44,868 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "opaca" and "opaco" also get mixed up with nearby pairs, the highest-scored neighbour is "opaco vs orco". 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 #44,868 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list