operarvsopinarWhich spelling fits?

Which to use

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

#5,864
“operar” frequency rank
#9,508
“opinar” frequency rank
15372
confusion score

Side-by-Side Comparison

Feature operar opinar
Definition Obrar, realizar algo. Juzgar de este o del otro modo acerca de una cosa.

Where the eye mixes operar and opinar

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

6 ch
operar
6 ch
opinar

Visual trap between operar and opinar

A purely visual mix-up. operar ([opeˈɾaɾ]) and opinar ([opiˈnaɾ]) 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 15372, derived from the frequency rank of both members and their visual similarity.

operar is recorded at frequency rank #5,864, classified as averb, pronounced [opeˈɾaɾ]. opinar is at rank #9,508, tagged as averb, pronounced [opiˈnaɾ].

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 15372, this pair ranks #280,434 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of operar vs opinar

Shared letters: aopr. Private to "operar": e. Private to "opinar": in.

"operar" · 6 letters · shape VCVCVC  ·  "opinar" · 6 letters · shape VCVCVC

Known mistypes of this pair

  • operaroeprar · opearr · operarr · operra · operrar · opperar · oprear · poerar
  • opinaroipnar · opianr · opinarr · opinnar · opinra · opniar · oppinar · poinar

Frequently Asked Questions

Can "operar" and "opinar" be used interchangeably?
No. They are said differently ([opeˈɾaɾ] versus [opiˈnaɾ]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "operar" vs "opinar" - which ranks higher?
"operar" is the more common of the two: it sits at frequency rank #5,864 in our Spanish list, against #9,508 for "opinar". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "operar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "opinar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #280,434 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "operar" and "opinar" also get mixed up with nearby pairs, the highest-scored neighbour is "opinado vs opinar". 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 #280,434 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