Which to use
“casación” and “castración” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #23,709
- “casación” frequency rank
- #34,484
- “castración” frequency rank
- 58193
- confusion score
Side-by-Side Comparison
| Feature | casación | castración |
|---|---|---|
| Definition | La acción de declarar por de ningún valor o efecto algún instrumento. | Acción o efecto de castrar |
Where the eye mixes casación and castración
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. casación runs 8 letters (CVCVCVVC) against castración's 10 (CVCCCVCVVC) - the length gap alone is often enough to separate them once you know to check it.
Visual trap between casación and castración
A purely visual mix-up. casación ([kasaˈsjõn]) and castración ([kast̪ɾaˈsjõn]) 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 2 letter(s) in length. Our composite confusion score for this pair is 58193, derived from the frequency rank of both members and their visual similarity.
casación is recorded at frequency rank #23,709, classified as anoun, pronounced [kasaˈsjõn]. castración is at rank #34,484, tagged as anoun, pronounced [kast̪ɾaˈsjõn].
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 58193, this pair ranks #67,392 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.
Orthographic DNA of casación vs castración
Shared letters: acinsó. Private to "casación": -. Private to "castración": rt.
"casación" · 8 letters · shape CVCVCVVC · "castración" · 10 letters · shape CVCCCVCVVC
Frequently Asked Questions
Is swapping "casación" for "castración" ever safe?
Which is more common, "casación" or "castración"?
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 "casación" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "castración" - compare definitions side by side with the headword page. Word entry
- This pair ranks #67,392 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "casación" and "castración" also get mixed up with nearby pairs, the highest-scored neighbour is "casación vs colación". Nearby pair
Confusion rank #67,392 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.