Which to use
“casta” and “cosa” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,994
- “casta” frequency rank
- #234
- “cosa” frequency rank
- 11228
- confusion score
Side-by-Side Comparison
| Feature | casta | cosa |
|---|---|---|
| Definition | Grupo unido por una ascendencia común. | Nombre con el que se puede designar un objeto real o imaginario, una abstracción o un concepto sin tener que definirlo o nombrarlo. |
Where the eye mixes casta and cosa
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Why the eye confuses casta with cosa
A purely visual mix-up. casta ([ˈkast̪a]) and cosa ([ˈkosa]) 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 11228, derived from the frequency rank of both members and their visual similarity.
casta is recorded at frequency rank #10,994, classified as anoun, pronounced [ˈkast̪a]. cosa is at rank #234, tagged as anoun, pronounced [ˈkosa].
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 11228, this pair ranks #295,849 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of casta vs cosa
Shared letters: acs. Private to "casta": t. Private to "cosa": o.
"casta" · 5 letters · shape CVCCV · "cosa" · 4 letters · shape CVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "casta" for "cosa" ever safe?
Frequency check: "casta" vs "cosa" - which ranks higher?
Useful next steps
Eye-level mix-up between "casta" and "cosa" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "casta" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "cosa" - compare definitions side by side with the headword page. Word entry
- This pair ranks #295,849 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "casta" and "cosa" also get mixed up with nearby pairs, the highest-scored neighbour is "casará vs casta". 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 #295,849 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.