abertovsacertoTell them apart

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

Which to use

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

#1,300
“aberto” frequency rank
#9,134
“acerto” frequency rank
10434
confusion score

Side-by-Side Comparison

Feature aberto acerto
Definition não fechado ou barrado ato ou efeito de fazer certo ou realizar corretamente

Letter map: aberto vs acerto

Shared letters muted; letters that set aberto and acerto apart highlighted. Shared run: 5. aberto and acerto follow the identical consonant-vowel pattern (VCVCCV). Same shape at a glance is often the real trap, independent of shared letters.

6 ch
aberto
6 ch
acerto

Role in the sentence - aberto and acerto

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: aberto is anadjective and acertoanoun. On the page they differ by a single letter - b in “aberto” becomes c in “acerto”. Our composite confusion score for this pair is 10434, derived from the frequency rank of both members and their visual similarity.

aberto is recorded at frequency rank #1,300, classified as anadj. acerto is at rank #9,134, tagged as anoun, pronounced /ɐ.ˈseɾ.tu/.

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 10434, this pair ranks #62,674 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aberto vs acerto

Shared letters: aeort. Private to "aberto": b. Private to "acerto": c.

"aberto" · 6 letters · shape VCVCCV  ·  "acerto" · 6 letters · shape VCVCCV

Known mistypes of this pair

  • aberto ← abberto · aberot · aberrto · abertto · abetro · abreto · aebrto · baerto
  • acerto ← accerto · acerot · acerrto · acertto · acetro · acreto · aecrto · caerto

Frequently Asked Questions

Can "aberto" and "acerto" be used interchangeably?
No - they are not even the same part of speech. "aberto" is an adjective and "acerto" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "aberto" vs "acerto" - which ranks higher?
"aberto" is the more common of the two: it sits at frequency rank #1,300 in our Portuguese list, against #9,134 for "acerto". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "aberto" vs "acerto" is on the table, pick a follow-up below.

  • Full dictionary entry for "aberto" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "acerto" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #62,674 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "aberto" and "acerto" also get mixed up with nearby pairs, the highest-scored neighbour is "aceno vs acerto". 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 #62,674 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