Which to use
“castaña” is a noun and “castas” is an adjective - they look or sound alike but fill different roles in a sentence.
- #29,530
- “castaña” frequency rank
- #17,066
- “castas” frequency rank
- 46596
- confusion score
Side-by-Side Comparison
| Feature | castaña | castas |
|---|---|---|
| Definition | Fruto del castaño (Castanea spp.), una núcula de tres a cuatro cm de diámetro, recubierta de una cúpula espinosa. Son muy sabrosas y nutritivas, consumiéndose asadas, hervidas, confitadas o como harina. | Forma del femenino plural de casto. |
Where the eye mixes castaña and castas
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. castaña runs 7 letters (CVCCVCV) against castas's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: castaña vs castas
These two trip readers on the page rather than in the ear: castaña is [kasˈt̪aɲa] while castas is [ˈkast̪as]. 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 adjective), which is usually the fastest check. Our composite confusion score for this pair is 46596, derived from the frequency rank of both members and their visual similarity.
castaña is recorded at frequency rank #29,530, classified as anoun, pronounced [kasˈt̪aɲa]. castas is at rank #17,066, tagged as anadj, pronounced [ˈkast̪as].
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 46596, this pair ranks #124,826 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of castaña vs castas
Shared letters: acst. Private to "castaña": ñ. Private to "castas": -.
"castaña" · 7 letters · shape CVCCVCV · "castas" · 6 letters · shape CVCCVC
Known mistypes of this pair
- castas ← acstas · casats · casstas · castass · castsa · casttas · catsas · ccastas
Frequently Asked Questions
Do "castaña" and "castas" mean the same thing in a sentence?
In ordinary Spanish text, does "castaña" or "castas" show up more?
What to do next
Eye-level mix-up between "castaña" and "castas" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "castaña" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "castas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #124,826 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "castaña" and "castas" also get mixed up with nearby pairs, the highest-scored neighbour is "casará vs castaña". 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 #124,826 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.