avalvsaviãoConfusable pair

Which to use

“aval” and “avião” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#16,685
“aval” frequency rank
#2,262
“avião” frequency rank
18947
confusion score

Side-by-Side Comparison

Feature aval avião
Definition garantia de pagamento de um determinado título de crédito aparelho mais pesado que o ar empregado em navegação aérea

Letter map: aval vs avião

Shared letters muted; letters that set aval and avião apart highlighted. Shared run: 2. aval runs 4 letters (VCVC) against avião's 5 (VCVVV) - the length gap alone is often enough to separate them once you know to check it.

4 ch
aval
5 ch
avião

Pair insight - aval / avião

aval and avião are indexed as a confusable Portuguese pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 18947, derived from the frequency rank of both members and their visual similarity.

aval is recorded at frequency rank #16,685, classified as anoun, pronounced /ɐ.ˈvaɫ/. avião is at rank #2,262, tagged as anoun.

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 18947, this pair ranks #51,927 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of aval vs avião

Shared letters: av. Private to "aval": l. Private to "avião": ioã.

"aval" · 4 letters · shape VCVC  ·  "avião" · 5 letters · shape VCVVV

Known mistypes of this pair

  • aval ← aavl · avall · avval

Frequently Asked Questions

Is swapping "aval" for "avião" ever safe?
No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Frequency check: "aval" vs "avião" - which ranks higher?
"avião" is the more common of the two: it sits at frequency rank #2,262 in our Portuguese list, against #16,685 for "aval". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pair "aval" vs "avião" is on the table, pick a follow-up below.

  • Full dictionary entry for "aval" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "avião" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #51,927 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "aval" and "avião" also get mixed up with nearby pairs, the highest-scored neighbour is "atar vs aval". 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 #51,927 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