Which to use
“aperto” and “aterro” are a confusable Portuguese pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #10,129
- “aperto” frequency rank
- #15,022
- “aterro” frequency rank
- 25151
- confusion score
Side-by-Side Comparison
| Feature | aperto | aterro |
|---|---|---|
| Definition | ato de apertar | ação ou efeito de aterrar |
Where the eye mixes aperto and aterro
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Visual trap between aperto and aterro
A purely visual mix-up. aperto (/ɐ.ˈpeɾ.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 25151, derived from the frequency rank of both members and their visual similarity.
aperto is recorded at frequency rank #10,129, classified as anoun, pronounced /ɐ.ˈpeɾ.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 25151, this pair ranks #44,232 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of aperto vs aterro
Shared letters: aeort. Private to "aperto": p. Private to "aterro": -.
"aperto" · 6 letters · shape VCVCCV · "aterro" · 6 letters · shape VCVCCV
Known mistypes of this pair
Frequently Asked Questions
Can "aperto" and "aterro" be used interchangeably?
Frequency check: "aperto" vs "aterro" - which ranks higher?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "aperto" 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 #44,232 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "aperto" 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 #44,232 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.