antigovsativoWhat's the difference?

Which to use

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

#1,233
“antigo” frequency rank
#3,881
“ativo” frequency rank
5114
confusion score

Side-by-Side Comparison

Feature antigo ativo
Definition de épocas passadas diligente, expedito

Where the eye mixes antigo and ativo

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

6 ch
antigo
5 ch
ativo

Why the eye confuses antigo with ativo

A purely visual mix-up. antigo (/ɐ̃.ˈti.ɡu/) and ativo (/a.ˈʧi.vu/) 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 5114, derived from the frequency rank of both members and their visual similarity.

antigo is recorded at frequency rank #1,233, classified as anadj, pronounced /ɐ̃.ˈti.ɡu/. ativo is at rank #3,881, tagged as anadj, pronounced /a.ˈʧi.vu/.

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 5114, this pair ranks #69,594 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of antigo vs ativo

Shared letters: aiot. Private to "antigo": gn. Private to "ativo": v.

"antigo" · 6 letters · shape VCCVCV  ·  "ativo" · 5 letters · shape VCVCV

Known mistypes of this pair

  • antigoanitgo · anntigo · antgio · antiggo · antiog · anttigo · atnigo · natigo
  • ativoaitvo · atiov · ativvo · attivo · atvio · taivo

Frequently Asked Questions

Can "antigo" and "ativo" be used interchangeably?
No. They are said differently (/ɐ̃.ˈti.ɡu/ versus /a.ˈʧi.vu/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "antigo" vs "ativo" - which ranks higher?
"antigo" is the more common of the two: it sits at frequency rank #1,233 in our Portuguese list, against #3,881 for "ativo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "antigo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ativo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #69,594 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "antigo" and "ativo" also get mixed up with nearby pairs, the highest-scored neighbour is "aipo vs ativo". 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 #69,594 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