cacavscaducaTell them apart

Which to use

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

#10,622
“caca” frequency rank
#34,921
“caduca” frequency rank
45543
confusion score

Side-by-Side Comparison

Feature caca caduca
Definition Residuo sólido indigerible del bolo alimenticio, que se excreta a través del ano. Epilepsia.

Where the eye mixes caca and caduca

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

4 ch
caca
6 ch
caduca

Visual trap between caca and caduca

A purely visual mix-up. caca ([ˈkaka]) and caduca ([kaˈð̞uka]) 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 2 letter(s) in length. Our composite confusion score for this pair is 45543, derived from the frequency rank of both members and their visual similarity.

caca is recorded at frequency rank #10,622, classified as anoun, pronounced [ˈkaka]. caduca is at rank #34,921, tagged as anoun, pronounced [kaˈð̞uka].

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 45543, this pair ranks #130,867 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of caca vs caduca

Shared letters: ac. Private to "caca": -. Private to "caduca": du.

"caca" · 4 letters · shape CVCV  ·  "caduca" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • cacaacca · caac · cacca · ccaa · ccaca
  • caducaacduca · cadcua · cadduca · caduac · caducca · caudca · ccaduca · cdauca

Frequently Asked Questions

Can "caca" and "caduca" be used interchangeably?
No. They are said differently ([ˈkaka] versus [kaˈð̞uka]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "caca" or "caduca"?
"caca" is the more common of the two: it sits at frequency rank #10,622 in our Spanish list, against #34,921 for "caduca". 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 "caca" and "caduca" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "caca" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "caduca" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #130,867 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "caca" and "caduca" also get mixed up with nearby pairs, the highest-scored neighbour is "caduca vs caduco". 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 #130,867 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