Which to use
“opta” is a verb and “orca” is a noun - they look or sound alike but fill different roles in a sentence.
- #24,978
- “opta” frequency rank
- #45,482
- “orca” frequency rank
- 70460
- confusion score
Side-by-Side Comparison
| Feature | opta | orca |
|---|---|---|
| Definition | Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del presente de indicativo de optar. | Mamífero marino carnívoro (Orcinus orca) perteneciente al orden Cetáceos (Cetacea) de unos unos diez metros de longitud, complexión robusta y aletas largas, de color azul muy oscuro, prácticamente negro, por la parte superior y blanco por la inferior. Puede encontrarse prácticamente en todos los océanos del mundo aunque con clara preferencia de las fértiles aguas frías como las polares. |
Where the eye mixes opta and orca
Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.
Visual trap between opta and orca
These two trip readers on the page rather than in the ear: opta is [ˈopt̪a] while orca is [ˈoɾka]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 70460, derived from the frequency rank of both members and their visual similarity.
opta is recorded at frequency rank #24,978, classified as averb, pronounced [ˈopt̪a]. orca is at rank #45,482, tagged as anoun, pronounced [ˈoɾka].
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 70460, this pair ranks #29,656 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of opta vs orca
Shared letters: ao. Private to "opta": pt. Private to "orca": cr.
"opta" · 4 letters · shape VCCV · "orca" · 4 letters · shape VCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "opta" for "orca" ever safe?
Which is more common, "opta" or "orca"?
What to do next
Eye-level mix-up between "opta" and "orca" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "opta" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "orca" - compare definitions side by side with the headword page. Word entry
- This pair ranks #29,656 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "opta" and "orca" also get mixed up with nearby pairs, the highest-scored neighbour is "oirá vs orca". 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 #29,656 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.