oíanvsoptanWhat's the difference?

Which to use

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

#47,975
“oían” frequency rank
#25,381
“optan” frequency rank
73356
confusion score

Side-by-Side Comparison

Feature oían optan
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito imperfecto de indicativo de oír. Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de optar.

Where the eye mixes oían and optan

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. oían runs 4 letters (VVVC) against optan's 5 (VCCVC) - the length gap alone is often enough to separate them once you know to check it.

4 ch
oían
5 ch
optan

Why the eye confuses oían with optan

A purely visual mix-up. oían ([oˈiãn]) and optan ([ˈopt̪ãn]) 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 73356, derived from the frequency rank of both members and their visual similarity.

oían is recorded at frequency rank #47,975, classified as averb, pronounced [oˈiãn]. optan is at rank #25,381, tagged as averb, pronounced [ˈopt̪ãn].

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 73356, this pair ranks #23,463 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of oían vs optan

Shared letters: ano. Private to "oían": í. Private to "optan": pt.

"oían" · 4 letters · shape VVVC  ·  "optan" · 5 letters · shape VCCVC

Known mistypes of this pair

  • optan ← opatn · opptan · optann · optna · opttan · otpan · potan

Frequently Asked Questions

Do "oían" and "optan" mean the same thing in a sentence?
No. They are said differently ([oˈiãn] versus [ˈopt̪ãn]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "oían" or "optan" show up more?
"optan" is the more common of the two: it sits at frequency rank #25,381 in our Spanish list, against #47,975 for "oían". 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 "oían" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "optan" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #23,463 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "oían" and "optan" also get mixed up with nearby pairs, the highest-scored neighbour is "oían vs oirá". 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 #23,463 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