falvsfalirWhich spelling fits?

Quick tell: fal is a noun, falir is a verb, so they fill different roles in a sentence.

Which to use

“fal” is a noun and “falir” is a verb - they look or sound alike but fill different roles in a sentence.

#32,985
“fal” frequency rank
#27,479
“falir” frequency rank
60464
confusion score

Side-by-Side Comparison

Feature fal falir
Definition muro ir à falência, não ter como cumprir com suas obrigações financeiras

Letter map: fal vs falir

Shared letters muted; letters that set fal and falir apart highlighted. Shared run: 3. fal runs 3 letters (CVC) against falir's 5 (CVCVC) - the length gap alone is often enough to separate them once you know to check it.

3 ch
fal
5 ch
falir

Part-of-speech tell for fal / falir

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: fal is anoun and faliraverb. On the page they differ by 2 extra letter(s) - “fal” sits inside “falir”. Our composite confusion score for this pair is 60464, derived from the frequency rank of both members and their visual similarity.

fal is recorded at frequency rank #32,985, classified as anoun, pronounced /ˈfɒl/. falir is at rank #27,479, tagged as averb.

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 60464, this pair ranks #7,644 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of fal vs falir

Shared letters: afl. Private to "fal": -. Private to "falir": ir.

"fal" · 3 letters · shape CVC  ·  "falir" · 5 letters · shape CVCVC

Known mistypes of this pair

  • falir ← aflir · failr · falirr · fallir · falri · ffalir · flair

Frequently Asked Questions

Can "fal" and "falir" be used interchangeably?
No - they are not even the same part of speech. "fal" is a noun and "falir" a verb, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "fal" or "falir"?
"falir" is the more common of the two: it sits at frequency rank #27,479 in our Portuguese list, against #32,985 for "fal". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

You've compared "fal" and "falir". Here's where to go from here.

  • Full dictionary entry for "fal" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "falir" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #7,644 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "fal" and "falir" also get mixed up with nearby pairs, the highest-scored neighbour is "fal vs fava". 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 #7,644 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