vulcãovsvulgoWhat's the difference?

Quick tell: vulcão is a noun, vulgo is an adverb, so they fill different roles in a sentence.

Which to use

“vulcão” is a noun and “vulgo” is an adverb - they look or sound alike but fill different roles in a sentence.

#10,987
“vulcão” frequency rank
#20,753
“vulgo” frequency rank
31740
confusion score

Side-by-Side Comparison

Feature vulcão vulgo
Definition estrutura geológica pela qual são expelidas substâncias (geralmente magma) presentes no interior da Terra vulgarmente

Letter map: vulcão vs vulgo

Shared letters muted; letters that set vulcão and vulgo apart highlighted. Shared run: 4. vulcão runs 6 letters (CVCCVV) against vulgo's 5 (CVCCV) - the length gap alone is often enough to separate them once you know to check it.

6 ch
vulcão
5 ch
vulgo

Grammar separator: vulcão vs vulgo

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: vulcão is anoun and vulgoanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 31740, derived from the frequency rank of both members and their visual similarity.

vulcão is recorded at frequency rank #10,987, classified as anoun, pronounced /vuɫ.ˈkɐ̃w̃/. vulgo is at rank #20,753, tagged as anadv.

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 31740, this pair ranks #36,256 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of vulcão vs vulgo

Shared letters: louv. Private to "vulcão": cã. Private to "vulgo": g.

"vulcão" · 6 letters · shape CVCCVV  ·  "vulgo" · 5 letters · shape CVCCV

Known mistypes of this pair

  • vulgo ← uvlgo · vlugo · vuglo · vulggo · vullgo · vulog · vvulgo

Frequently Asked Questions

Do "vulcão" and "vulgo" mean the same thing in a sentence?
No - they are not even the same part of speech. "vulcão" is a noun and "vulgo" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "vulcão" vs "vulgo" - which ranks higher?
"vulcão" is the more common of the two: it sits at frequency rank #10,987 in our Portuguese list, against #20,753 for "vulgo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "vulcão" vs "vulgo" is on the table, pick a follow-up below.

  • Full dictionary entry for "vulcão" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "vulgo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #36,256 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "vulcão" and "vulgo" also get mixed up with nearby pairs, the highest-scored neighbour is "velo vs vulgo". 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 #36,256 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