Which to use
“ater” is a verb and “aterro” is a noun - they look or sound alike but fill different roles in a sentence.
- #39,000
- “ater” frequency rank
- #15,022
- “aterro” frequency rank
- 54022
- confusion score
Side-by-Side Comparison
| Feature | ater | aterro |
|---|---|---|
| Definition | não permitir que tenha seguimento; impedir que prossiga | ação ou efeito de aterrar |
Letter map: ater vs aterro
Shared letters muted; letters that set ater and aterro apart highlighted. Shared run: 4.
Role in the sentence - ater and aterro
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ater is averb and aterroanoun. On the page they differ by 2 extra letter(s) - “ater” sits inside “aterro”. Our composite confusion score for this pair is 54022, derived from the frequency rank of both members and their visual similarity.
ater is recorded at frequency rank #39,000, classified as averb. 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 54022, this pair ranks #11,610 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ater vs aterro
Shared letters: aert. Private to "ater": -. Private to "aterro": o.
"ater" · 4 letters · shape VCVC · "aterro" · 6 letters · shape VCVCCV
Known mistypes of this pair
Frequently Asked Questions
Do "ater" and "aterro" mean the same thing in a sentence?
Which is more common, "ater" or "aterro"?
Useful next steps
You've compared "ater" and "aterro". Here's where to go from here.
- Full dictionary entry for "ater" 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 #11,610 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ater" and "aterro" also get mixed up with nearby pairs, the highest-scored neighbour is "atar vs ater". 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 #11,610 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.