Which to use
“casilla” and “casillas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,993
- “casilla” frequency rank
- #12,541
- “casillas” frequency rank
- 23534
- confusion score
Side-by-Side Comparison
| Feature | casilla | casillas |
|---|---|---|
| Definition | Cada división de las que se compone un casillero. | Forma del plural de casilla. |
Where the eye mixes casilla and casillas
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. casilla runs 7 letters (CVCVCCV) against casillas's 8 (CVCVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses casilla with casillas
A purely visual mix-up. casilla ([kaˈsiʝa]) and casillas ([kaˈsiʝas]) 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) - “casilla” sits inside “casillas”. Our composite confusion score for this pair is 23534, derived from the frequency rank of both members and their visual similarity.
casilla is recorded at frequency rank #10,993, classified as anoun, pronounced [kaˈsiʝa]. casillas is at rank #12,541, tagged as anoun, pronounced [kaˈsiʝas].
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 23534, this pair ranks #245,358 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of casilla vs casillas
Shared letters: acils. Private to "casilla": -. Private to "casillas": -.
"casilla" · 7 letters · shape CVCVCCV · "casillas" · 8 letters · shape CVCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "casilla" and "casillas" mean the same thing in a sentence?
In ordinary Spanish text, does "casilla" or "casillas" show up more?
Useful next steps
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "casilla" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "casillas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #245,358 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "casilla" and "casillas" also get mixed up with nearby pairs, the highest-scored neighbour is "canillas vs casillas". 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 #245,358 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.