Which to use
“castillo” and “castillos” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #2,237
- “castillo” frequency rank
- #13,862
- “castillos” frequency rank
- 16099
- confusion score
Side-by-Side Comparison
| Feature | castillo | castillos |
|---|---|---|
| Definition | Recinto fortificado, típico de la arquitectura militar del Medioevo, en especial el dotado de murallas y torres para su defensa | Forma del plural de castillo. |
Where the eye mixes castillo and castillos
Muted = shared; highlighted = the visual trap. They share 8 letters in sequence. castillo runs 8 letters (CVCCVCCV) against castillos's 9 (CVCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: castillo vs castillos
A purely visual mix-up. castillo ([kasˈt̪iʝo]) and castillos ([kasˈt̪iʝos]) 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 extra letter(s) - “castillo” sits inside “castillos”. Our composite confusion score for this pair is 16099, derived from the frequency rank of both members and their visual similarity.
castillo is recorded at frequency rank #2,237, classified as anoun, pronounced [kasˈt̪iʝo]. castillos is at rank #13,862, tagged as anoun, pronounced [kasˈt̪iʝos].
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 16099, this pair ranks #277,503 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of castillo vs castillos
Shared letters: acilost. Private to "castillo": -. Private to "castillos": -.
"castillo" · 8 letters · shape CVCCVCCV · "castillos" · 9 letters · shape CVCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "castillo" and "castillos" mean the same thing in a sentence?
Frequency check: "castillo" vs "castillos" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "castillo" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "castillos" - compare definitions side by side with the headword page. Word entry
- This pair ranks #277,503 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "castillo" and "castillos" also get mixed up with nearby pairs, the highest-scored neighbour is "casquillos vs castillos". 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 #277,503 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.