anulaçãovsatuaçãoConfusable pair

Which to use

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

#13,436
“anulação” frequency rank
#2,218
“atuação” frequency rank
15654
confusion score

Side-by-Side Comparison

Feature anulação atuação
Definition ato ou efeito de anular ação ou efeito de atuar

Where the eye mixes anulação and atuação

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. anulação runs 8 letters (VCVCVCVV) against atuação's 7 (VCVVCVV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
anulação
7 ch
atuação

Look-alike desk: anulação vs atuação

A purely visual mix-up. anulação (/ɐ.nu.lɐ.ˈsɐ̃w̃/) and atuação (/ɐ.twɐ.ˈsɐ̃w̃/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 15654, derived from the frequency rank of both members and their visual similarity.

anulação is recorded at frequency rank #13,436, classified as anoun, pronounced /ɐ.nu.lɐ.ˈsɐ̃w̃/. atuação is at rank #2,218, tagged as anoun, pronounced /ɐ.twɐ.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 15654, this pair ranks #56,112 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of anulação vs atuação

Shared letters: aouãç. Private to "anulação": ln. Private to "atuação": t.

"anulação" · 8 letters · shape VCVCVCVV  ·  "atuação" · 7 letters · shape VCVVCVV

Frequently Asked Questions

Can "anulação" and "atuação" be used interchangeably?
No. They are said differently (/ɐ.nu.lɐ.ˈsɐ̃w̃/ versus /ɐ.twɐ.ˈsɐ̃w̃/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "anulação" vs "atuação" - which ranks higher?
"atuação" is the more common of the two: it sits at frequency rank #2,218 in our Portuguese list, against #13,436 for "anulação". 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 "anulação" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "atuação" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #56,112 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "anulação" and "atuação" also get mixed up with nearby pairs, the highest-scored neighbour is "atracar vs atuação". Nearby pair

Confusion rank #56,112 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