atacarvsativarWhich spelling fits?

Which to use

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

#2,818
“atacar” frequency rank
#10,312
“ativar” frequency rank
13130
confusion score

Side-by-Side Comparison

Feature atacar ativar
Definition fazer o ataque a; acometer tornar ativo; fazer com que algo ou alguém funcione ou atue

Where the eye mixes atacar and ativar

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
atacar
6 ch
ativar

Visual trap between atacar and ativar

A purely visual mix-up. atacar (/ɐ.tɐ.ˈkaɾ/) and ativar (/a.ti.ˈvaɾ/) 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 13130, derived from the frequency rank of both members and their visual similarity.

atacar is recorded at frequency rank #2,818, classified as averb, pronounced /ɐ.tɐ.ˈkaɾ/. ativar is at rank #10,312, tagged as averb, pronounced /a.ti.ˈvaɾ/.

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 13130, this pair ranks #59,312 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of atacar vs ativar

Shared letters: art. Private to "atacar": c. Private to "ativar": iv.

"atacar" · 6 letters · shape VCVCVC  ·  "ativar" · 6 letters · shape VCVCVC

Known mistypes of this pair

  • atacaraatcar · ataacr · atacarr · ataccar · atacra · atcaar · attacar · taacar
  • ativaraitvar · atiavr · ativarr · ativra · ativvar · attivar · atviar · taivar

Frequently Asked Questions

Can "atacar" and "ativar" be used interchangeably?
No. They are said differently (/ɐ.tɐ.ˈkaɾ/ versus /a.ti.ˈvaɾ/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "atacar" vs "ativar" - which ranks higher?
"atacar" is the more common of the two: it sits at frequency rank #2,818 in our Portuguese list, against #10,312 for "ativar". 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 "atacar" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ativar" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #59,312 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "atacar" and "ativar" also get mixed up with nearby pairs, the highest-scored neighbour is "atar vs ativar". 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 #59,312 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