falhovsfalirWhat's the difference?

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

Which to use

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

#23,663
“falho” frequency rank
#27,479
“falir” frequency rank
51142
confusion score

Side-by-Side Comparison

Feature falho falir
Definition que tem falha ir à falência, não ter como cumprir com suas obrigações financeiras

Letter map: falho vs falir

Shared letters muted; letters that set falho and falir apart highlighted. Shared run: 3. falho (CVCCV) and falir (CVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

5 ch
falho
5 ch
falir

Grammar separator: falho vs falir

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: falho is anadjective and faliraverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 51142, derived from the frequency rank of both members and their visual similarity.

falho is recorded at frequency rank #23,663, classified as anadj, pronounced /ˈfa.ʎu/. 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 51142, this pair ranks #13,853 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of falho vs falir

Shared letters: afl. Private to "falho": ho. Private to "falir": ir.

"falho" · 5 letters · shape CVCCV  ·  "falir" · 5 letters · shape CVCVC

Known mistypes of this pair

  • falho ← aflho · fahlo · falhho · fallho · faloh · ffalho · flaho
  • falir ← aflir · failr · falirr · fallir · falri · ffalir · flair

Frequently Asked Questions

Do "falho" and "falir" mean the same thing in a sentence?
No - they are not even the same part of speech. "falho" is an adjective and "falir" a verb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "falho" or "falir" show up more?
"falho" is the more common of the two: it sits at frequency rank #23,663 in our Portuguese list, against #27,479 for "falir". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "falho" vs "falir" is on the table, pick a follow-up below.

  • Full dictionary entry for "falho" 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 #13,853 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "falho" and "falir" also get mixed up with nearby pairs, the highest-scored neighbour is "falho vs filão". 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 #13,853 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