AAAvsaufTell them apart

Quick tell: AAA is a adjective, auf is an adverb, so they fill different roles in a sentence.

Which to use

“AAA” is an adjective and “auf” is an adverb - they look or sound alike but fill different roles in a sentence.

#24,205
“AAA” frequency rank
#42,318
“auf” frequency rank
66523
confusion score

Side-by-Side Comparison

Feature AAA auf
Definition que é produzido com bastante recurso técnico, apresenta muito refinamento e é considerado categoricamente como de alta e maior qualidade aberto

Letter map: AAA vs auf

Shared letters muted; letters that set AAA and auf apart highlighted. Shared run: 1.

3 ch
AAA
3 ch
auf

Grammar separator: AAA vs auf

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: AAA is anadjective and aufanadverb. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 66523, derived from the frequency rank of both members and their visual similarity.

AAA is recorded at frequency rank #24,205, classified as anadj. 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 66523, this pair ranks #4,958 of 75,631 scored Portuguese confusable pairs - among the most confusable pairs.

Orthographic DNA of AAA vs auf

Shared letters: a. Private to "AAA": -. Private to "auf": fu.

"AAA" · 3 letters · shape VVV  ·  "auf" · 3 letters · shape VVC

Frequently Asked Questions

Can "AAA" and "auf" be used interchangeably?
No - they are not even the same part of speech. "AAA" is an adjective and "auf" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary Portuguese text, does "AAA" or "auf" show up more?
"AAA" is the more common of the two: it sits at frequency rank #24,205 in our Portuguese list, against #42,318 for "auf". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Pair "AAA" vs "auf" is on the table, pick a follow-up below.

  • Full dictionary entry for "AAA" 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 #4,958 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
  • "AAA" and "auf" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs auf". Nearby pair

Confusion rank #4,958 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list