cacovscioWhat's the difference?

Quick tell: caco is a noun, cio is a verb, so they fill different roles in a sentence.

Which to use

“caco” is a noun and “cio” is a verb - they look or sound alike but fill different roles in a sentence.

#45,790
“caco” frequency rank
#41,792
“cio” frequency rank
87582
confusion score

Side-by-Side Comparison

Feature caco cio
Definition Persona que tiene por costumbre u oficio el apropiarse de cosas que no le pertenecen. Tercera persona del singular (él, ella, ello; usted, 2.ª persona) del pretérito perfecto simple de indicativo de ciar.

Where the eye mixes caco and cio

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
caco
3 ch
cio

Why the eye confuses caco with cio

These two trip readers on the page rather than in the ear: caco is [ˈkako] while cio is [ˈsjo]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 87582, derived from the frequency rank of both members and their visual similarity.

caco is recorded at frequency rank #45,790, classified as anoun, pronounced [ˈkako]. cio is at rank #41,792, tagged as averb, pronounced [ˈsjo].

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 87582, this pair ranks #4,374 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of caco vs cio

Shared letters: co. Private to "caco": a. Private to "cio": i.

"caco" · 4 letters · shape CVCV  ·  "cio" · 3 letters · shape CVV

Known mistypes of this pair

  • cacoacco · cacco · caoc · ccaco · ccao

Frequently Asked Questions

Can "caco" and "cio" be used interchangeably?
No - they are not even the same part of speech. "caco" is a noun and "cio" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "caco" vs "cio" - which ranks higher?
"cio" is the more common of the two: it sits at frequency rank #41,792 in our Spanish list, against #45,790 for "caco". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "caco" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cio" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #4,374 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "caco" and "cio" also get mixed up with nearby pairs, the highest-scored neighbour is "caco vs cuc". 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 #4,374 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