casitasvscostasConfusable pair

Which to use

“casitas” and “costas” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#31,254
“casitas” frequency rank
#5,483
“costas” frequency rank
36737
confusion score

Side-by-Side Comparison

Feature casitas costas
Definition Forma del plural de casita. Conjunto de gastos de un proceso legal o judicial.

Where the eye mixes casitas and costas

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. casitas runs 7 letters (CVCVCVC) against costas's 6 (CVCCVC) - the length gap alone is often enough to separate them once you know to check it.

7 ch
casitas
6 ch
costas

Why the eye confuses casitas with costas

A purely visual mix-up. casitas ([kaˈsit̪as]) 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 36737, derived from the frequency rank of both members and their visual similarity.

casitas is recorded at frequency rank #31,254, classified as anoun, pronounced [kaˈsit̪as]. 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 36737, this pair ranks #179,069 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of casitas vs costas

Shared letters: acst. Private to "casitas": i. Private to "costas": o.

"casitas" · 7 letters · shape CVCVCVC  ·  "costas" · 6 letters · shape CVCCVC

Known mistypes of this pair

  • casitasacsitas · cacitas · caistas · casiats · casitass · casitsa · casittas · cassitas
  • costasccostas · cosats · cosstas · costass · costsa · costtas · cotsas · csotas

Frequently Asked Questions

Can "casitas" and "costas" be used interchangeably?
No. They are said differently ([kaˈsit̪as] versus [ˈkost̪as]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "casitas" or "costas"?
"costas" is the more common of the two: it sits at frequency rank #5,483 in our Spanish list, against #31,254 for "casitas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "casitas" and "costas" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "casitas" 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 #179,069 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "casitas" and "costas" also get mixed up with nearby pairs, the highest-scored neighbour is "canicas vs casitas". 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 #179,069 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list