Which to use
“casas” and “costas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #1,052
- “casas” frequency rank
- #5,483
- “costas” frequency rank
- 6535
- confusion score
Side-by-Side Comparison
| Feature | casas | costas |
|---|---|---|
| Definition | Edificio para habitar. | Conjunto de gastos de un proceso legal o judicial. |
Where the eye mixes casas and costas
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Look-alike desk: casas vs costas
A purely visual mix-up. casas ([ˈkasas]) and costas ([ˈkost̪as]) 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 6535, derived from the frequency rank of both members and their visual similarity.
casas is recorded at frequency rank #1,052, classified as anoun, pronounced [ˈkasas]. costas is at rank #5,483, tagged as anoun, pronounced [ˈkost̪as].
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 6535, this pair ranks #310,467 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of casas vs costas
Shared letters: acs. Private to "casas": -. Private to "costas": ot.
"casas" · 5 letters · shape CVCVC · "costas" · 6 letters · shape CVCCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "casas" for "costas" ever safe?
Frequency check: "casas" vs "costas" - which ranks higher?
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 "casas" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "costas" - compare definitions side by side with the headword page. Word entry
- This pair ranks #310,467 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "casas" and "costas" also get mixed up with nearby pairs, the highest-scored neighbour is "costas vs cultas". 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 #310,467 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.