atacadovsatuaçãoWhat's the difference?

Quick tell: atacado is a adjective, atuação is a noun, so they fill different roles in a sentence.

Which to use

“atacado” is an adjective and “atuação” is a noun - they look or sound alike but fill different roles in a sentence.

#5,063
“atacado” frequency rank
#2,218
“atuação” frequency rank
7281
confusion score

Side-by-Side Comparison

Feature atacado atuação
Definition atado com atacador ação ou efeito de atuar

Where the eye mixes atacado and atuação

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. atacado (VCVCVCV) and atuação (VCVVCVV) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

7 ch
atacado
7 ch
atuação

Look-alike desk: atacado vs atuação

These two trip readers on the page rather than in the ear: atacado is /ɐ.tɐ.ˈka.du/ while atuação is /ɐ.twɐ.ˈsɐ̃w̃/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 4 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 7281, derived from the frequency rank of both members and their visual similarity.

atacado is recorded at frequency rank #5,063, classified as anadj, pronounced /ɐ.tɐ.ˈka.du/. 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 7281, this pair ranks #66,883 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of atacado vs atuação

Shared letters: aot. Private to "atacado": cd. Private to "atuação": uãç.

"atacado" · 7 letters · shape VCVCVCV  ·  "atuação" · 7 letters · shape VCVVCVV

Known mistypes of this pair

  • atacadoaatcado · ataacdo · atacaddo · atacaod · ataccado · atacdao · atcaado · attacado

Frequently Asked Questions

Can "atacado" and "atuação" be used interchangeably?
No - they are not even the same part of speech. "atacado" is an adjective and "atuação" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "atacado" or "atuação" show up more?
"atuação" is the more common of the two: it sits at frequency rank #2,218 in our Portuguese list, against #5,063 for "atacado". 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 "atacado" 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 #66,883 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "atacado" and "atuação" also get mixed up with nearby pairs, the highest-scored neighbour is "atacado vs Atacama". 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 #66,883 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