Which to use
“aviação” and “avião” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,005
- “aviação” frequency rank
- #2,262
- “avião” frequency rank
- 11267
- confusion score
Side-by-Side Comparison
| Feature | aviação | avião |
|---|---|---|
| Definition | área de atividades e pesquisa relacionadas com voo de aparelhos mais pesados que o ar | aparelho mais pesado que o ar empregado em navegação aérea |
Letter map: aviação vs avião
Shared letters muted; letters that set aviação and avião apart highlighted. Shared run: 5. aviação runs 7 letters (VCVVCVV) against avião's 5 (VCVVV) - the length gap alone is often enough to separate them once you know to check it.
Corpus notes: aviação and avião
aviação 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 2 letter(s) in length. Our composite confusion score for this pair is 11267, derived from the frequency rank of both members and their visual similarity.
aviação is recorded at frequency rank #9,005, classified as anoun, pronounced /ɐ.vjɐ.ˈsɐ̃w̃/. 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 11267, this pair ranks #61,620 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of aviação vs avião
Shared letters: aiovã. Private to "aviação": ç. Private to "avião": -.
"aviação" · 7 letters · shape VCVVCVV · "avião" · 5 letters · shape VCVVV
Frequently Asked Questions
Can "aviação" and "avião" be used interchangeably?
Frequency check: "aviação" vs "avião" - which ranks higher?
After this comparison
Pair "aviação" vs "avião" is on the table, pick a follow-up below.
- Full dictionary entry for "aviação" 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 #61,620 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "aviação" and "avião" also get mixed up with nearby pairs, the highest-scored neighbour is "aipo vs avião". Nearby pair
Confusion rank #61,620 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.