opiovsopusWhat's the difference?

Which to use

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

#19,191
“opio” frequency rank
#16,657
“opus” frequency rank
35848
confusion score

Side-by-Side Comparison

Feature opio opus
Definition Látex que se obtiene de la adormidera (papaverácea) cuando está verde y que, una vez secado, se usa como sustancia estupefaciente. Trabajo.

Where the eye mixes opio and opus

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
opio
4 ch
opus

Look-alike desk: opio vs opus

A purely visual mix-up. opio ([ˈopjo]) and opus (/ˈo.pus/) 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 35848, derived from the frequency rank of both members and their visual similarity.

opio is recorded at frequency rank #19,191, classified as anoun, pronounced [ˈopjo]. opus is at rank #16,657, tagged as anoun, pronounced /ˈo.pus/.

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 35848, this pair ranks #183,854 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of opio vs opus

Shared letters: op. Private to "opio": i. Private to "opus": su.

"opio" · 4 letters · shape VCVV  ·  "opus" · 4 letters · shape VCVC

Known mistypes of this pair

  • opiooipo · opoi · oppio · poio
  • opusoppus · opsu · opuss · oups · pous

Frequently Asked Questions

Can "opio" and "opus" be used interchangeably?
No. They are said differently ([ˈopjo] versus /ˈo.pus/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "opio" or "opus"?
"opus" is the more common of the two: it sits at frequency rank #16,657 in our Spanish list, against #19,191 for "opio". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "opio" 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 #183,854 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "opio" and "opus" also get mixed up with nearby pairs, the highest-scored neighbour is "ojito vs opio". 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 #183,854 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