correçãovscorrosãoTell them apart

Which to use

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

#10,867
“correção” frequency rank
#25,951
“corrosão” frequency rank
36818
confusion score

Side-by-Side Comparison

Feature correção corrosão
Definition ato ou efeito de corrigir ato de corroer ou destruir pouco a pouco

Where the eye mixes correção and corrosão

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. correção and corrosão follow the identical consonant-vowel pattern (CVCCVCVV). Same shape at a glance is often the real trap, independent of shared letters.

8 ch
correção
8 ch
corrosão

Look-alike desk: correção vs corrosão

A purely visual mix-up. correção (/ku.Rɛ.ˈsɐ̃w̃/) and corrosão (/ku.Ru.ˈzɐ̃w̃/) 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 36818, derived from the frequency rank of both members and their visual similarity.

correção is recorded at frequency rank #10,867, classified as anoun, pronounced /ku.Rɛ.ˈsɐ̃w̃/. corrosão is at rank #25,951, tagged as anoun, pronounced /ku.Ru.ˈzɐ̃w̃/.

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 36818, this pair ranks #29,909 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of correção vs corrosão

Shared letters: corã. Private to "correção": eç. Private to "corrosão": s.

"correção" · 8 letters · shape CVCCVCVV  ·  "corrosão" · 8 letters · shape CVCCVCVV

Frequently Asked Questions

Can "correção" and "corrosão" be used interchangeably?
No. They are said differently (/ku.Rɛ.ˈsɐ̃w̃/ versus /ku.Ru.ˈzɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary Portuguese text, does "correção" or "corrosão" show up more?
"correção" is the more common of the two: it sits at frequency rank #10,867 in our Portuguese list, against #25,951 for "corrosão". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "correção" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "corrosão" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #29,909 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "correção" and "corrosão" also get mixed up with nearby pairs, the highest-scored neighbour is "coerção vs correção". Nearby pair

Confusion rank #29,909 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