Which to use
“equação” and “erupção” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,524
- “equação” frequency rank
- #12,243
- “erupção” frequency rank
- 22767
- confusion score
Side-by-Side Comparison
| Feature | equação | erupção |
|---|---|---|
| Definition | igualdade entre duas expressões matemáticas que se verifica para determinados valores das variáveis | o ato de algo sair com força e repentinamente de dentro de outra coisa |
Where the eye mixes equação and erupção
Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. equação (VCVVCVV) and erupção (VCVCCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: equação vs erupção
A purely visual mix-up. equação (/i.kwɐ.ˈsɐ̃w̃/) and erupção (/i.ɾu.ˈpsɐ̃w̃/) 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 2 positions. Our composite confusion score for this pair is 22767, derived from the frequency rank of both members and their visual similarity.
equação is recorded at frequency rank #10,524, classified as anoun, pronounced /i.kwɐ.ˈsɐ̃w̃/. erupção is at rank #12,243, tagged as anoun, pronounced /i.ɾu.ˈpsɐ̃w̃/.
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 22767, this pair ranks #47,194 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of equação vs erupção
Shared letters: eouãç. Private to "equação": aq. Private to "erupção": pr.
"equação" · 7 letters · shape VCVVCVV · "erupção" · 7 letters · shape VCVCCVV
Frequently Asked Questions
Is swapping "equação" for "erupção" ever safe?
Which is more common, "equação" or "erupção"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "equação" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "erupção" - compare definitions side by side with the headword page. Word entry
- This pair ranks #47,194 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "equação" and "erupção" also get mixed up with nearby pairs, the highest-scored neighbour is "equação vs exumação". Nearby pair
Confusion rank #47,194 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.