caídovsCiroWhich spelling fits?

Quick tell: caído is a adjective, Ciro is a noun, so they fill different roles in a sentence.

Which to use

“caído” is an adjective and “Ciro” is a noun - they look or sound alike but fill different roles in a sentence.

#8,017
“caído” frequency rank
#10,490
“Ciro” frequency rank
18507
confusion score

Side-by-Side Comparison

Feature caído Ciro
Definition que caiu prenome masculino

Letter map: caído vs Ciro

Shared letters muted; letters that set caído and Ciro apart highlighted. Shared run: 2. caído runs 5 letters (CVVCV) against Ciro's 4 (CVCV) - the length gap alone is often enough to separate them once you know to check it.

5 ch
caído
4 ch
Ciro

Role in the sentence - caído and Ciro

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: caído is anadjective and Ciroanoun. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 18507, derived from the frequency rank of both members and their visual similarity.

caído is recorded at frequency rank #8,017, classified as anadj. Ciro is at rank #10,490, tagged as anoun, pronounced /siˈ.ɾu/.

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 18507, this pair ranks #52,466 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of caído vs Ciro

Shared letters: co. Private to "caído": adí. Private to "Ciro": ir.

"caído" · 5 letters · shape CVVCV  ·  "Ciro" · 4 letters · shape CVCV

Known mistypes of this pair

  • Ciro ← cciro · cior · cirro · crio · icro

Frequently Asked Questions

Can "caído" and "Ciro" be used interchangeably?
No - they are not even the same part of speech. "caído" is an adjective and "Ciro" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "caído" or "Ciro" show up more?
"caído" is the more common of the two: it sits at frequency rank #8,017 in our Portuguese list, against #10,490 for "Ciro". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Done with this confusable. These links stay specific to "caído" and "Ciro".

  • Full dictionary entry for "caído" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Ciro" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #52,466 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "caído" and "Ciro" also get mixed up with nearby pairs, the highest-scored neighbour is "ciao vs Ciro". 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 #52,466 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