castillovscaudilloWhat's the difference?

Which to use

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

#2,237
“castillo” frequency rank
#14,786
“caudillo” frequency rank
17023
confusion score

Side-by-Side Comparison

Feature castillo caudillo
Definition Recinto fortificado, típico de la arquitectura militar del Medioevo, en especial el dotado de murallas y torres para su defensa Quien, como cabeza y superior, guía y manda a gente de guerra.

Where the eye mixes castillo and caudillo

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence.

8 ch
castillo
8 ch
caudillo

Why the eye confuses castillo with caudillo

A purely visual mix-up. castillo ([kasˈt̪iʝo]) and caudillo ([kawˈð̞iʝo]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 17023, derived from the frequency rank of both members and their visual similarity.

castillo is recorded at frequency rank #2,237, classified as anoun, pronounced [kasˈt̪iʝo]. caudillo is at rank #14,786, tagged as anoun, pronounced [kawˈð̞iʝo].

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 17023, this pair ranks #273,844 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of castillo vs caudillo

Shared letters: acilo. Private to "castillo": st. Private to "caudillo": du.

"castillo" · 8 letters · shape CVCCVCCV  ·  "caudillo" · 8 letters · shape CVVCVCCV

Known mistypes of this pair

  • castilloacstillo · casitllo · casstillo · castilo · castilol · castlilo · casttillo · catsillo
  • caudilloacudillo · caduillo · cauddillo · caudilo · caudilol · caudlilo · cauidllo · ccaudillo

Frequently Asked Questions

Do "castillo" and "caudillo" mean the same thing in a sentence?
No. They are said differently ([kasˈt̪iʝo] versus [kawˈð̞iʝo]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Spanish text, does "castillo" or "caudillo" show up more?
"castillo" is the more common of the two: it sits at frequency rank #2,237 in our Spanish list, against #14,786 for "caudillo". 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 "castillo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caudillo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #273,844 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "castillo" and "caudillo" also get mixed up with nearby pairs, the highest-scored neighbour is "Campillo vs caudillo". 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 #273,844 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