OPEPvsóperaWhich spelling fits?

Which to use

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

#29,766
“OPEP” frequency rank
#8,458
“ópera” frequency rank
38224
confusion score

Side-by-Side Comparison

Feature OPEP ópera
Definition Organización económica internacional, con sede en Viena (Austria). Creada como respuesta a la bajada del precio oficial del petróleo acordada unilateralmente por las grandes compañías distribuidoras en agosto de 1960. Drama cantado con acompañamiento instrumental que, a diferencia del oratorio, se representa en un espacio teatral ante un público. El drama se presenta usando elementos típicos del teatro, tales como escenografía, vestuarios y actuación. Sin embargo, el libreto, se canta en vez de ser hablado.

Where the eye mixes OPEP and ópera

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

4 ch
OPEP
5 ch
ópera

Look-alike desk: OPEP vs ópera

A purely visual mix-up. OPEP ([oˈpep]) and ópera ([ˈopeɾa]) 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 1 letter(s) in length. Our composite confusion score for this pair is 38224, derived from the frequency rank of both members and their visual similarity.

OPEP is recorded at frequency rank #29,766, classified as anoun, pronounced [oˈpep]. ópera is at rank #8,458, tagged as anoun, pronounced [ˈopeɾa].

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 38224, this pair ranks #171,155 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of OPEP vs ópera

Shared letters: ep. Private to "OPEP": o. Private to "ópera": aró.

"OPEP" · 4 letters · shape VCVC  ·  "ópera" · 5 letters · shape VCVCV

Known mistypes of this pair

  • OPEPoepp · opepp · oppep

Frequently Asked Questions

Is swapping "OPEP" for "ópera" ever safe?
No. They are said differently ([oˈpep] versus [ˈopeɾa]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "OPEP" or "ópera" show up more?
"ópera" is the more common of the two: it sits at frequency rank #8,458 in our Spanish list, against #29,766 for "OPEP". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "OPEP" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ópera" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #171,155 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "OPEP" and "ópera" also get mixed up with nearby pairs, the highest-scored neighbour is "ome vs OPEP". 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 #171,155 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