caduco

adj

By · According to Wiktionary data (CC BY-SA) ·

The verdict

“caduco” is uncommon Portuguese (frequency #67,303 among 2,140 “C” headwords), classed as an adjective. The kind of spelling people second-guess.

#67,303
frequency rank, Portuguese
2,140
“C” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - que cai

Corpus desk

Index PT-caduco · caduco · Portuguese

caduco · rank #67,303 · 0 variants · 0 confusables

  • FREQ-RARE #67,303
  • LEN-LONG 6 letters
  • VOW-3 3 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 2,140
  • PHOTO-FINISH cadafalso

Nearest frequency peer: cadafalso (-1 rank slots)

Desk codes from Wiktionary headword shape, FrequencyWords rank tier, confusable-pair count, generated misspelling depth, letter-cohort book size, and photo-finish peer. Not a difficulty grade.

Ranks da cauda longa perto de “caduco”

Faixa escassa: as barras invertem o rank para o raro ler-se mais curto

corpus weight

What this shows Vista da cauda longa: onde “caduco” se situa face a ranks portugueses igualmente raros.

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for caduco
PropertyValue
Headwordcaduco
LanguagePortuguese
Part of speechAdjective
Letters6
Frequency rank#67,303
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cauda longa: rank de “caduco” em português

A frequência vai do punhado de palavras do dia a dia (esquerda) à cauda longa quase nunca usada (direita).caducocai nesta cauda de raridade:

#1#100#1K#10K#100K
← used constantlyrarely used →

Os ticks avançam em logaritmo; cada um é da ordem de dez vezes mais raro. Vizinhos raros da mesma faixa: “cadafalso” (#67,302), “carpo” (#67,315), “botulismo” (#67,290). Entre 2,140 lemas com “C”, “caduco” fica em #67,303. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

caduco is uncommon Portuguese at frequency #67,303 among 2,140 “C” headwords, classed as anadjective. Rarity is why readers land here mid-draft. 7 senses are on record.

Zero misspellings are on record for caduco in our index, and the word's spelling is regular enough that our generator found nothing worth flagging. This headword has no recorded confusable partner, which usually means its spelling is distinct enough that readers don't reach for a similar-looking word instead.

This entry carries no recorded etymology, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Portuguese form is caduco, spelled C-A-D-U-C-O.

Definition

  1. 1
    que cai
  2. 2
    que vai cair
  3. 3
    que perdeu forças, viço, valor, crédito, etc.
  4. 4
    transitório
  5. 5
    que desaparece breve
  6. 6
    que se tornou nulo
  7. 7
    que perdeu parcialmente o juízo em decorrência da idade ou de doença mental

Recorded use

Wiktionary examples

These source excerpts show how caduco appears in context. They illustrate usage; the definition above remains the entry’s reference meaning.

  1. Homem caduco.
  2. Vegetação caduca.

Synonyms

caideiro

Definitions, pronunciation, and etymology for this entry are drawn from Wiktionary via the kaikki.org structured extract (CC BY-SA); frequency ordering uses the FrequencyWords open word-frequency list (2018 Portuguese corpus, MIT). See the methodology for how each field is sourced and updated.

Frequently Asked Questions

How do you spell "caduco"?
"caduco" is spelled C-A-D-U-C-O.
What does "caduco" mean?
As an adjective, "caduco" means: que cai
What language does "caduco" come from?
"caduco" is a Portuguese word. You can look up definitions, pronunciations, and spelling data for this and other words across English, Spanish, Portuguese, French, and German on PlainSpell.
Is PlainSpell free to use?
Yes, PlainSpell is a completely free word reference. You can look up definitions, pronunciations, confusable pairs, homophones, and spelling corrections across 5 languages without any sign-up or subscription.

Similar Portuguese words by spelling shape

Same letter count and similar misspelling depth for "caduco", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 6 letters (nearest by frequency rank).

costão#67,370vítreo#67,191ensejo#67,448secada#67,113

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

Source: FrequencyWords open word-frequency list