Which to use
“aceso” is an adjective and “aero” is a noun - they look or sound alike but fill different roles in a sentence.
- #23,544
- “aceso” frequency rank
- #29,208
- “aero” frequency rank
- 52752
- confusion score
Side-by-Side Comparison
| Feature | aceso | aero |
|---|---|---|
| Definition | que se acendeu | ar, vento |
Where the eye mixes aceso and aero
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. aceso runs 5 letters (VCVCV) against aero's 4 (VVCV) - the length gap alone is often enough to separate them once you know to check it.
Why the eye confuses aceso with aero
These two trip readers on the page rather than in the ear: aceso is /ɐ.ˈse.zu/ while aero is /a.ˈɛ.rɔ/. 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 (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 52752, derived from the frequency rank of both members and their visual similarity.
aceso is recorded at frequency rank #23,544, classified as anadj, pronounced /ɐ.ˈse.zu/. aero is at rank #29,208, tagged as anoun, pronounced /a.ˈɛ.rɔ/.
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 52752, this pair ranks #12,528 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of aceso vs aero
Shared letters: aeo. Private to "aceso": cs. Private to "aero": r.
"aceso" · 5 letters · shape VCVCV · "aero" · 4 letters · shape VVCV
Known mistypes of this pair
Frequently Asked Questions
Can "aceso" and "aero" be used interchangeably?
In ordinary Portuguese text, does "aceso" or "aero" show up more?
Useful next steps
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "aceso" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "aero" - compare definitions side by side with the headword page. Word entry
- This pair ranks #12,528 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "aceso" and "aero" also get mixed up with nearby pairs, the highest-scored neighbour is "aero vs atroz". 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 #12,528 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.