Which to use
“castañas” is an adjective and “castaño” is a noun - they look or sound alike but fill different roles in a sentence.
- #32,547
- “castañas” frequency rank
- #12,542
- “castaño” frequency rank
- 45089
- confusion score
Side-by-Side Comparison
| Feature | castañas | castaño |
|---|---|---|
| Definition | Forma del femenino plural de castaño. | (Castanea sativa) Árbol robusto de la familia de las fagáceas de tronco grueso, con corteza lisa al principio y agrietada al envejecer. Las hojas son lanceoladas, largas, brillantes y con el margen dentado. En la base de las inflorescencias masculinas se hallan las femeninas. Su fruto las castañas que en número de dos o tres se encuentran encerradas por un envoltorio espinoso llamado erizo. |
Where the eye mixes castañas and castaño
Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.
Look-alike desk: castañas vs castaño
These two trip readers on the page rather than in the ear: castañas is [kasˈt̪aɲas] while castaño is [kasˈt̪aɲo]. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 45089, derived from the frequency rank of both members and their visual similarity.
castañas is recorded at frequency rank #32,547, classified as anadj, pronounced [kasˈt̪aɲas]. castaño is at rank #12,542, tagged as anoun, pronounced [kasˈt̪aɲo].
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 45089, this pair ranks #133,461 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of castañas vs castaño
Shared letters: acstñ. Private to "castañas": -. Private to "castaño": o.
"castañas" · 8 letters · shape CVCCVCVC · "castaño" · 7 letters · shape CVCCVCV
Frequently Asked Questions
Is swapping "castañas" for "castaño" ever safe?
Frequency check: "castañas" vs "castaño" - which ranks higher?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "castañas" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "castaño" - compare definitions side by side with the headword page. Word entry
- This pair ranks #133,461 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "castañas" and "castaño" also get mixed up with nearby pairs, the highest-scored neighbour is "castañas vs Castaños". Nearby pair
Confusion rank #133,461 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.