fiabilidade

noun

The verdict

“fiabilidade” is uncommon Portuguese (frequency #59,747 among 853 “F” headwords), classed as a noun. The kind of spelling people second-guess.

#59,747
frequency rank, Portuguese
853
“F” headwords

According to Wiktionary data (CC BY-SA, analyzed September 3, 2026) - qualidade de fiável

Corpus desk

Index PT-fiabilidade · fiabilidade · Portuguese

fiabilidade · rank #59,747 · 0 variants · 0 confusables

  • FREQ-RARE #59,747
  • LEN-MEGA 11 letters
  • VOW-6 6 vowels
  • CONFUS-0 No pairs
  • VAR-0 0 variants
  • BOOK-MID 853
  • PHOTO-FINISH filó

Nearest frequency peer: filó (+2 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 “fiabilidade”

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

corpus weight

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

Source FrequencyWords open word-frequency list As of September 3, 2026
Key facts for fiabilidade
PropertyValue
Headwordfiabilidade
LanguagePortuguese
Part of speechNoun
Letters11
Frequency rank#59,747
Misspellings tracked0
Confusable pairs0
SourceWiktionary (kaikki.org)

Cauda longa: rank de “fiabilidade” em português

Esta escala corre do núcleo do português quotidiano (esquerda) até o rastro de formas raras (direita).fiabilidadecai nesta cauda de raridade:

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

O eixo é logarítmico: cada tick marca cerca de dez vezes menos frequência. Vizinhos raros da mesma faixa: “filó” (#59,749), “fou” (#59,753), “farmacológico” (#59,739). Entre 853 lemas com “F”, “fiabilidade” fica em #59,747. Source: FrequencyWords open word-frequency list.

Rare enough to double-check

fiabilidade is uncommon Portuguese at frequency #59,747 among 853 “F” headwords, classed as anoun. Rarity is why readers land here mid-draft. Gloss: "qualidade de fiável".

The misspelling generator found no plausible variants for fiabilidade, and the word's spelling is regular enough that our generator found nothing worth flagging. No confusable counterpart is on file for this word, since its spelling is unusual enough that it doesn't cluster with a lookalike.

This headword's origin isn't recorded in our source data, so its spelling is easiest to reason about phoneme by phoneme, absent a documented history. The correct Portuguese form is fiabilidade, spelled F-I-A-B-I-L-I-D-A-D-E.

Definition

  1. 1
    qualidade de fiável

Recorded use

Wiktionary example

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

  1. «Os investidores questionaram a fiabilidade dos dados financeiros apresentados pela empresa.»

This word in other languages

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 "fiabilidade"?
"fiabilidade" is spelled F-I-A-B-I-L-I-D-A-D-E.
What does "fiabilidade" mean?
As a noun, "fiabilidade" means: qualidade de fiável
What language does "fiabilidade" come from?
"fiabilidade" is a Portuguese word. PlainSpell's reference spans five languages -- English, Spanish, Portuguese, French, and German -- with definitions, pronunciations, and spelling data for each.
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 "fiabilidade", not the corpus desk frequency band.

Same letter count

Frequency-ranked Portuguese headwords with 11 letters (nearest by frequency rank).

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

Source: FrequencyWords open word-frequency list