Which to use
“ater” is a verb and “atum” is a noun - they look or sound alike but fill different roles in a sentence.
- #39,000
- “ater” frequency rank
- #16,684
- “atum” frequency rank
- 55684
- confusion score
Side-by-Side Comparison
| Feature | ater | atum |
|---|---|---|
| Definition | não permitir que tenha seguimento; impedir que prossiga | peixe da família dos Escombrídeos muito usado na alimentação quer em fresco, quer em conserva |
Letter map: ater vs atum
Shared letters muted; letters that set ater and atum apart highlighted. Shared run: 2.
Grammar separator: ater vs atum
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: ater is averb and atumanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 55684, derived from the frequency rank of both members and their visual similarity.
ater is recorded at frequency rank #39,000, classified as averb. atum is at rank #16,684, tagged as anoun, pronounced /ɐ.ˈtũ/.
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 55684, this pair ranks #10,456 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of ater vs atum
Shared letters: at. Private to "ater": er. Private to "atum": mu.
"ater" · 4 letters · shape VCVC · "atum" · 4 letters · shape VCVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "ater" for "atum" ever safe?
Frequency check: "ater" vs "atum" - which ranks higher?
After this comparison
Done with this confusable. These links stay specific to "ater" and "atum".
- Full dictionary entry for "ater" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "atum" - compare definitions side by side with the headword page. Word entry
- This pair ranks #10,456 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "ater" and "atum" 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 #10,456 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.