Which to use
“casillas” and “castillos” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #12,541
- “casillas” frequency rank
- #13,862
- “castillos” frequency rank
- 26403
- confusion score
Side-by-Side Comparison
| Feature | casillas | castillos |
|---|---|---|
| Definition | Forma del plural de casilla. | Forma del plural de castillo. |
Where the eye mixes casillas and castillos
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. casillas runs 8 letters (CVCVCCVC) against castillos's 9 (CVCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses casillas with castillos
A purely visual mix-up. casillas ([kaˈsiʝas]) 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 letter(s) in length. Our composite confusion score for this pair is 26403, derived from the frequency rank of both members and their visual similarity.
casillas is recorded at frequency rank #12,541, classified as anoun, pronounced [kaˈsiʝas]. 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 26403, this pair ranks #231,802 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of casillas vs castillos
Shared letters: acils. Private to "casillas": -. Private to "castillos": ot.
"casillas" · 8 letters · shape CVCVCCVC · "castillos" · 9 letters · shape CVCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "casillas" and "castillos" mean the same thing in a sentence?
Which is more common, "casillas" or "castillos"?
After this comparison
Eye-level mix-up between "casillas" and "castillos" is sorted above. Next: full entries or other pairs that share a letter shape.
- Full dictionary entry for "casillas" 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 #231,802 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "casillas" 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 #231,802 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.