Which to use
“att” is a conjunction and “auf” is an adverb - they look or sound alike but fill different roles in a sentence.
- #17,701
- “att” frequency rank
- #42,318
- “auf” frequency rank
- 60019
- confusion score
Side-by-Side Comparison
| Feature | att | auf |
|---|---|---|
| Definition | que: | aberto |
Letter map: att vs auf
Shared letters muted; letters that set att and auf apart highlighted. Shared run: 1.
Part-of-speech tell for att / auf
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: att is aconjunction and aufanadverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 60019, derived from the frequency rank of both members and their visual similarity.
att is recorded at frequency rank #17,701, classified as aconj. auf is at rank #42,318, tagged as anadv, pronounced /aʊ̯f/.
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 60019, this pair ranks #7,882 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of att vs auf
Shared letters: a. Private to "att": t. Private to "auf": fu.
"att" · 3 letters · shape VCC · "auf" · 3 letters · shape VVC
Frequently Asked Questions
Do "att" and "auf" mean the same thing in a sentence?
Frequency check: "att" vs "auf" - which ranks higher?
What to do next
Pair "att" vs "auf" is on the table, pick a follow-up below.
- Full dictionary entry for "att" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "auf" - compare definitions side by side with the headword page. Word entry
- This pair ranks #7,882 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "att" and "auf" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs auf". Nearby pair
Confusion rank #7,882 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.