opacovsopusoWhat's the difference?

Which to use

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

#31,905
“opaco” frequency rank
#15,187
“opuso” frequency rank
47092
confusion score

Side-by-Side Comparison

Feature opaco opuso
Definition Primera persona del singular (yo) del presente de indicativo de opacar. Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del pretérito perfecto simple de indicativo de oponer o de oponerse.

Where the eye mixes opaco and opuso

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
opaco
5 ch
opuso

Look-alike desk: opaco vs opuso

A purely visual mix-up. opaco ([oˈpako]) and opuso ([oˈpuso]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 47092, derived from the frequency rank of both members and their visual similarity.

opaco is recorded at frequency rank #31,905, classified as averb, pronounced [oˈpako]. opuso is at rank #15,187, tagged as averb, pronounced [oˈpuso].

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 47092, this pair ranks #121,984 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of opaco vs opuso

Shared letters: op. Private to "opaco": ac. Private to "opuso": su.

"opaco" · 5 letters · shape VCVCV  ·  "opuso" · 5 letters · shape VCVCV

Known mistypes of this pair

  • opacooapco · opacco · opaoc · opcao · oppaco · poaco
  • opusooppuso · opsuo · opuos · opusso · oupso · pouso

Frequently Asked Questions

Can "opaco" and "opuso" be used interchangeably?
No. They are said differently ([oˈpako] versus [oˈpuso]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "opaco" or "opuso"?
"opuso" is the more common of the two: it sits at frequency rank #15,187 in our Spanish list, against #31,905 for "opaco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "opaco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "opuso" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #121,984 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "opaco" and "opuso" 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 #121,984 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