casacavscascoTell them apart

Which to use

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

#33,009
“casaca” frequency rank
#4,771
“casco” frequency rank
37780
confusion score

Side-by-Side Comparison

Feature casaca casco
Definition Vestidura por el estilo del frac, para llevar ceñida, con cuello derecho y abotonada comúnmente toda por delante, con airosos faldones por detrás. Suele servir de uniforme, por lo cual lleva vivos de otro color y a veces bordados. Complemento rígido de protección para la cabeza.

Where the eye mixes casaca and casco

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
casaca
5 ch
casco

Visual trap between casaca and casco

A purely visual mix-up. casaca ([kaˈsaka]) and casco ([ˈkasko]) 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 37780, derived from the frequency rank of both members and their visual similarity.

casaca is recorded at frequency rank #33,009, classified as anoun, pronounced [kaˈsaka]. casco is at rank #4,771, tagged as anoun, pronounced [ˈkasko].

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 37780, this pair ranks #173,511 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of casaca vs casco

Shared letters: acs. Private to "casaca": -. Private to "casco": o.

"casaca" · 6 letters · shape CVCVCV  ·  "casco" · 5 letters · shape CVCCV

Known mistypes of this pair

  • casacaacsaca · caasca · casaac · casacca · cascaa · cassaca · ccasaca · csaaca
  • cascoacsco · cacso · cascco · casoc · cassco · ccasco · csaco

Frequently Asked Questions

Can "casaca" and "casco" be used interchangeably?
No. They are said differently ([kaˈsaka] versus [ˈkasko]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "casaca" or "casco"?
"casco" is the more common of the two: it sits at frequency rank #4,771 in our Spanish list, against #33,009 for "casaca". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "casaca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "casco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #173,511 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "casaca" and "casco" also get mixed up with nearby pairs, the highest-scored neighbour is "casaca vs casará". 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 #173,511 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