Which to use
“acerto” is a noun and “aceso” is an adjective - they look or sound alike but fill different roles in a sentence.
- #9,134
- “acerto” frequency rank
- #23,544
- “aceso” frequency rank
- 32678
- confusion score
Side-by-Side Comparison
| Feature | acerto | aceso |
|---|---|---|
| Definition | ato ou efeito de fazer certo ou realizar corretamente | que se acendeu |
Where the eye mixes acerto and aceso
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence. acerto runs 6 letters (VCVCCV) against aceso's 5 (VCVCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses acerto with aceso
These two trip readers on the page rather than in the ear: acerto is /ɐ.ˈseɾ.tu/ while aceso is /ɐ.ˈse.zu/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 32678, 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/. aceso is at rank #23,544, tagged as anadj, pronounced /ɐ.ˈse.zu/.
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 32678, this pair ranks #35,055 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of acerto vs aceso
Shared letters: aceo. Private to "acerto": rt. Private to "aceso": s.
"acerto" · 6 letters · shape VCVCCV · "aceso" · 5 letters · shape VCVCV
Known mistypes of this pair
Frequently Asked Questions
Is swapping "acerto" for "aceso" ever safe?
Which is more common, "acerto" or "aceso"?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "acerto" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aceso" - compare definitions side by side with the headword page. Word entry
- This pair ranks #35,055 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "acerto" and "aceso" also get mixed up with nearby pairs, the highest-scored neighbour is "aceso vs acs". 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 #35,055 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.