ciaovscucoTell them apart

Quick tell: ciao is a intj, cuco is an adjective, so they fill different roles in a sentence.

Which to use

“ciao” is an intj and “cuco” is an adjective - they look or sound alike but fill different roles in a sentence.

#47,244
“ciao” frequency rank
#30,486
“cuco” frequency rank
77730
confusion score

Side-by-Side Comparison

Feature ciao cuco
Definition olá que tira partido de algo ou de uma pessoa, que é aproveitado, egoísta

Where the eye mixes ciao and cuco

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence. ciao (CVVV) and cuco (CVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
ciao
4 ch
cuco

Why the eye confuses ciao with cuco

These two trip readers on the page rather than in the ear: ciao is [ˈtʃaː.o], /ˈtʃao/ while cuco is /'ku.kʊ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (intj vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 77730, derived from the frequency rank of both members and their visual similarity.

ciao is recorded at frequency rank #47,244, classified as anintj, pronounced [ˈtʃaː.o], /ˈtʃao/. cuco is at rank #30,486, tagged as anadj, pronounced /'ku.kʊ/.

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 77730, this pair ranks #1,807 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of ciao vs cuco

Shared letters: co. Private to "ciao": ai. Private to "cuco": u.

"ciao" · 4 letters · shape CVVV  ·  "cuco" · 4 letters · shape CVCV

Known mistypes of this pair

  • ciao ← caio · cciao · cioa · icao
  • cuco ← ccuco · ccuo · cucco · cuoc · ucco

Frequently Asked Questions

Can "ciao" and "cuco" be used interchangeably?
No - they are not even the same part of speech. "ciao" is an intj and "cuco" an adjective, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ciao" vs "cuco" - which ranks higher?
"cuco" is the more common of the two: it sits at frequency rank #30,486 in our Portuguese list, against #47,244 for "ciao". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

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

  • Full dictionary entry for "ciao" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "cuco" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,807 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "ciao" and "cuco" also get mixed up with nearby pairs, the highest-scored neighbour is "chau vs ciao". 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 #1,807 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list