fiávelvsfivelaWhich spelling fits?

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

Which to use

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

#30,157
“fiável” frequency rank
#41,510
“fivela” frequency rank
71667
confusion score

Side-by-Side Comparison

Feature fiável fivela
Definition aquilo em que se pode acreditar, crer, confiar peça metálica com fuzilhão em que se prende uma correia ou fita

Letter map: fiável vs fivela

Shared letters muted; letters that set fiável and fivela apart highlighted. Shared run: 5. fiável (CVVCVC) and fivela (CVCVCV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

6 ch
fiável
6 ch
fivela

Part-of-speech tell for fiável / fivela

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fiável is anadjective and fivelaanoun. On the page they share most of their letters but differ in 4 positions. Our composite confusion score for this pair is 71667, derived from the frequency rank of both members and their visual similarity.

fiável is recorded at frequency rank #30,157, classified as anadj. fivela is at rank #41,510, tagged as anoun, pronounced /fi.ˈvɛ.lɐ/.

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 71667, this pair ranks #3,276 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of fiável vs fivela

Shared letters: efilv. Private to "fiável": á. Private to "fivela": a.

"fiável" · 6 letters · shape CVVCVC  ·  "fivela" · 6 letters · shape CVCVCV

Known mistypes of this pair

  • fivela ← ffivela · fievla · fiveal · fivella · fivlea · fivvela · fviela · ifvela

Frequently Asked Questions

Can "fiável" and "fivela" be used interchangeably?
No - they are not even the same part of speech. "fiável" is an adjective and "fivela" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "fiável" vs "fivela" - which ranks higher?
"fiável" is the more common of the two: it sits at frequency rank #30,157 in our Portuguese list, against #41,510 for "fivela". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "fiável" and "fivela".

  • Full dictionary entry for "fiável" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "fivela" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #3,276 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fiável" and "fivela" also get mixed up with nearby pairs, the highest-scored neighbour is "favela vs fivela". 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 #3,276 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