Which to use
“casillas” and “costillas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #12,541
- “casillas” frequency rank
- #13,427
- “costillas” frequency rank
- 25968
- confusion score
Side-by-Side Comparison
| Feature | casillas | costillas |
|---|---|---|
| Definition | Forma del plural de casilla. | Forma del plural de costilla. |
Where the eye mixes casillas and costillas
Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. casillas runs 8 letters (CVCVCCVC) against costillas's 9 (CVCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.
Look-alike desk: casillas vs costillas
A purely visual mix-up. casillas ([kaˈsiʝas]) and costillas ([kosˈt̪iʝas]) 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 25968, 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]. costillas is at rank #13,427, tagged as anoun, pronounced [kosˈt̪iʝas].
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 25968, this pair ranks #233,961 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of casillas vs costillas
Shared letters: acils. Private to "casillas": -. Private to "costillas": ot.
"casillas" · 8 letters · shape CVCVCCVC · "costillas" · 9 letters · shape CVCCVCCVC
Known mistypes of this pair
Frequently Asked Questions
Do "casillas" and "costillas" mean the same thing in a sentence?
Frequency check: "casillas" vs "costillas" - which ranks higher?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "casillas" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "costillas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #233,961 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "casillas" and "costillas" 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 #233,961 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.