Which to use
“oca” is a noun and “oían” is a verb - they look or sound alike but fill different roles in a sentence.
- #17,772
- “oca” frequency rank
- #47,975
- “oían” frequency rank
- 65747
- confusion score
Side-by-Side Comparison
| Feature | oca | oían |
|---|---|---|
| Definition | Ánsar común domesticado. Se cría para aprovechar su carne, huevos e hígado, este último materia prima del paté o foie gras. Es un ave de tamaño mediano, con cuerpo robusto y plumaje blanco, gris o pardo. Tiene cuello arqueado y pico grueso, con color encendido, lo mismo que sus patas que están adaptadas para la natación. | Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del pretérito imperfecto de indicativo de oír. |
Where the eye mixes oca and oían
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. oca runs 3 letters (VCV) against oían's 4 (VVVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: oca vs oían
These two trip readers on the page rather than in the ear: oca is [ˈoka] while oían is [oˈiãn]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 65747, derived from the frequency rank of both members and their visual similarity.
oca is recorded at frequency rank #17,772, classified as anoun, pronounced [ˈoka]. oían is at rank #47,975, tagged as averb, pronounced [oˈiãn].
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 65747, this pair ranks #41,718 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of oca vs oían
Shared letters: ao. Private to "oca": c. Private to "oían": ní.
"oca" · 3 letters · shape VCV · "oían" · 4 letters · shape VVVC
Frequently Asked Questions
Is swapping "oca" for "oían" ever safe?
In ordinary Spanish text, does "oca" or "oían" show up more?
What to do next
Eye-level mix-up between "oca" and "oían" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "oca" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "oían" - compare definitions side by side with the headword page. Word entry
- This pair ranks #41,718 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "oca" and "oían" also get mixed up with nearby pairs, the highest-scored neighbour is "oían vs oirá". Nearby pair
Confusion rank #41,718 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.