equaçãovsestaçãoConfusable pair

Which to use

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

#10,524
“equação” frequency rank
#1,116
“estação” frequency rank
11640
confusion score

Side-by-Side Comparison

Feature equação estação
Definition igualdade entre duas expressões matemáticas que se verifica para determinados valores das variáveis cada uma das quatro grandes divisões climatológicas do ano

Where the eye mixes equação and estação

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence. equação (VCVVCVV) and estação (VCCVCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

7 ch
equação
7 ch
estação

Visual trap between equação and estação

A purely visual mix-up. equação (/i.kwɐ.ˈsɐ̃w̃/) and estação (/iʃ.tɐ.ˈsɐ̃w̃/) 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 11640, 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/. estação is at rank #1,116, tagged as anoun, pronounced /iʃ.tɐ.ˈsɐ̃w̃/.

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 11640, this pair ranks #61,168 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of equação vs estação

Shared letters: aeoãç. Private to "equação": qu. Private to "estação": st.

"equação" · 7 letters · shape VCVVCVV  ·  "estação" · 7 letters · shape VCCVCVV

Frequently Asked Questions

Is swapping "equação" for "estação" ever safe?
No. They are said differently (/i.kwɐ.ˈsɐ̃w̃/ versus /iʃ.tɐ.ˈsɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "equação" vs "estação" - which ranks higher?
"estação" is the more common of the two: it sits at frequency rank #1,116 in our Portuguese list, against #10,524 for "equação". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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 "estação" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #61,168 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "equação" and "estação" also get mixed up with nearby pairs, the highest-scored neighbour is "equação vs exumação". Nearby pair

Confusion rank #61,168 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