Which to use
“acerto” and “aterro” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #9,134
- “acerto” frequency rank
- #15,022
- “aterro” frequency rank
- 24156
- confusion score
Side-by-Side Comparison
| Feature | acerto | aterro |
|---|---|---|
| Definition | ato ou efeito de fazer certo ou realizar corretamente | ação ou efeito de aterrar |
Where the eye mixes acerto and aterro
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between acerto and aterro
A purely visual mix-up. acerto (/ɐ.ˈseɾ.tu/) and aterro (/ɐ.ˈte.Ru/) 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 24156, derived from the frequency rank of both members and their visual similarity.
acerto is recorded at frequency rank #9,134, classified as anoun, pronounced /ɐ.ˈseɾ.tu/. aterro is at rank #15,022, tagged as anoun, pronounced /ɐ.ˈte.Ru/.
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 24156, this pair ranks #45,531 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of acerto vs aterro
Shared letters: aeort. Private to "acerto": c. Private to "aterro": -.
"acerto" · 6 letters · shape VCVCCV · "aterro" · 6 letters · shape VCVCCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "acerto" for "aterro" ever safe?
Which is more common, "acerto" or "aterro"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "acerto" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aterro" - compare definitions side by side with the headword page. Word entry
- This pair ranks #45,531 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "acerto" and "aterro" also get mixed up with nearby pairs, the highest-scored neighbour is "alegro vs aterro". 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 #45,531 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.