Which to use
“viação” and “vulcão” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #17,667
- “viação” frequency rank
- #10,987
- “vulcão” frequency rank
- 28654
- confusion score
Side-by-Side Comparison
| Feature | viação | vulcão |
|---|---|---|
| Definition | empresa de ônibus ou de outros veículos de passageiros | estrutura geológica pela qual são expelidas substâncias (geralmente magma) presentes no interior da Terra |
Where the eye mixes viação and vulcão
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. viação (CVVCVV) and vulcão (CVCCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: viação vs vulcão
A purely visual mix-up. viação (/vjɐ.ˈsɐ̃w̃/) and vulcão (/vuɫ.ˈkɐ̃w̃/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 3 positions. Our composite confusion score for this pair is 28654, derived from the frequency rank of both members and their visual similarity.
viação is recorded at frequency rank #17,667, classified as anoun, pronounced /vjɐ.ˈsɐ̃w̃/. vulcão is at rank #10,987, tagged as anoun, pronounced /vuɫ.ˈkɐ̃w̃/.
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 28654, this pair ranks #40,152 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of viação vs vulcão
Shared letters: ovã. Private to "viação": aiç. Private to "vulcão": clu.
"viação" · 6 letters · shape CVVCVV · "vulcão" · 6 letters · shape CVCCVV
Frequently Asked Questions
Do "viação" and "vulcão" mean the same thing in a sentence?
Frequency check: "viação" vs "vulcão" - which ranks higher?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "viação" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "vulcão" - compare definitions side by side with the headword page. Word entry
- This pair ranks #40,152 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "viação" and "vulcão" also get mixed up with nearby pairs, the highest-scored neighbour is "vulcão vs vulva". Nearby pair
Confusion rank #40,152 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.