Which to use
“APA” is an abbrev and “auf” is an adverb - they look or sound alike but fill different roles in a sentence.
- #23,196
- “APA” frequency rank
- #42,318
- “auf” frequency rank
- 65514
- confusion score
Side-by-Side Comparison
| Feature | APA | auf |
|---|---|---|
| Definition | área de proteção ambiental | aberto |
Letter map: APA vs auf
Shared letters muted; letters that set APA and auf apart highlighted. Shared run: 1. APA (VCV) and auf (VVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Part-of-speech tell for APA / auf
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: APA is anabbrev and aufanadverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 65514, derived from the frequency rank of both members and their visual similarity.
APA is recorded at frequency rank #23,196, classified as anabbrev. 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 65514, this pair ranks #5,340 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.
Orthographic DNA of APA vs auf
Shared letters: a. Private to "APA": p. Private to "auf": fu.
"APA" · 3 letters · shape VCV · "auf" · 3 letters · shape VVC
Frequently Asked Questions
Is swapping "APA" for "auf" ever safe?
In ordinary Portuguese text, does "APA" or "auf" show up more?
Useful next steps
You've compared "APA" and "auf". Here's where to go from here.
- Full dictionary entry for "APA" 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 #5,340 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "APA" and "auf" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs auf". Nearby pair
Confusion rank #5,340 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.