opiovsortoWhich spelling fits?

Which to use

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

#19,191
“opio” frequency rank
#3,645
“orto” frequency rank
22836
confusion score

Side-by-Side Comparison

Feature opio orto
Definition Látex que se obtiene de la adormidera (papaverácea) cuando está verde y que, una vez secado, se usa como sustancia estupefaciente. Punto geográfico sobre el cual se ve aparecer el sol u otro astro en su salida.

Where the eye mixes opio and orto

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

4 ch
opio
4 ch
orto

Look-alike desk: opio vs orto

A purely visual mix-up. opio ([ˈopjo]) and orto ([ˈoɾt̪o]) 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 22836, 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]. orto is at rank #3,645, tagged as anoun, pronounced [ˈoɾt̪o].

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 22836, this pair ranks #248,517 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of opio vs orto

Shared letters: o. Private to "opio": ip. Private to "orto": rt.

"opio" · 4 letters · shape VCVV  ·  "orto" · 4 letters · shape VCCV

Known mistypes of this pair

  • opiooipo · opoi · oppio · poio
  • ortoorot · orrto · ortto

Frequently Asked Questions

Do "opio" and "orto" mean the same thing in a sentence?
No. They are said differently ([ˈopjo] versus [ˈoɾt̪o]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "opio" or "orto"?
"orto" is the more common of the two: it sits at frequency rank #3,645 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

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "opio" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "orto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #248,517 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "opio" and "orto" 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 #248,517 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