abertavsacercaTell them apart

Quick tell: aberta is a noun, acerca is an adverb, so they fill different roles in a sentence.

Which to use

“aberta” is a noun and “acerca” is an adverb - they look or sound alike but fill different roles in a sentence.

#1,694
“aberta” frequency rank
#2,459
“acerca” frequency rank
4153
confusion score

Side-by-Side Comparison

Feature aberta acerca
Definition fenda sobre, a respeito de, a propósito de, relativamente a, quanto a

Where the eye mixes aberta and acerca

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

6 ch
aberta
6 ch
acerca

Why the eye confuses aberta with acerca

These two trip readers on the page rather than in the ear: aberta is /ɐ.ˈbɛɾ.tɐ/ while acerca is /a.ˈseɾ.kɐ/. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs adverb), which is usually the fastest check. Our composite confusion score for this pair is 4153, derived from the frequency rank of both members and their visual similarity.

aberta is recorded at frequency rank #1,694, classified as anoun, pronounced /ɐ.ˈbɛɾ.tɐ/. acerca is at rank #2,459, tagged as anadv, pronounced /a.ˈseɾ.kɐ/.

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 4153, this pair ranks #70,847 of 75,631 scored Portuguese confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aberta vs acerca

Shared letters: aer. Private to "aberta": bt. Private to "acerca": c.

"aberta" · 6 letters · shape VCVCCV  ·  "acerca" · 6 letters · shape VCVCCV

Known mistypes of this pair

  • abertaabberta · aberat · aberrta · abertta · abetra · abreta · aebrta · baerta
  • acercaaccerca · acecra · acerac · acercca · acerrca · acreca · aecrca · caerca

Frequently Asked Questions

Do "aberta" and "acerca" mean the same thing in a sentence?
No - they are not even the same part of speech. "aberta" is a noun and "acerca" an adverb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "aberta" vs "acerca" - which ranks higher?
"aberta" is the more common of the two: it sits at frequency rank #1,694 in our Portuguese list, against #2,459 for "acerca". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "aberta" and "acerca" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "aberta" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "acerca" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #70,847 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "aberta" and "acerca" also get mixed up with nearby pairs, the highest-scored neighbour is "aberta vs aorta". 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 #70,847 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