Which to use
“am” is an article and “auf” is an adverb - they look or sound alike but fill different roles in a sentence.
- #2,705
- “am” frequency rank
- #42,318
- “auf” frequency rank
- 45023
- confusion score
Side-by-Side Comparison
| Feature | am | auf |
|---|---|---|
| Definition | o / a usado com substantivos masculinos no caso nominativo singular quando a palavra começar com as letra b, f, m, p | aberto |
Letter map: am vs auf
Shared letters muted; letters that set am and auf apart highlighted. Shared run: 1.
Part-of-speech tell for am / auf
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: am is anarticle and aufanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 45023, derived from the frequency rank of both members and their visual similarity.
am is recorded at frequency rank #2,705, classified as anarticle. 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 45023, this pair ranks #20,406 of 75,631 scored Portuguese confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of am vs auf
Shared letters: a. Private to "am": m. Private to "auf": fu.
"am" · 2 letters · shape VC · "auf" · 3 letters · shape VVC
Frequently Asked Questions
Do "am" and "auf" mean the same thing in a sentence?
Frequency check: "am" vs "auf" - which ranks higher?
What to do next
Done with this confusable. These links stay specific to "am" and "auf".
- Full dictionary entry for "am" 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 #20,406 of 75,631 scored Portuguese confusable pairs in this corpus vintage. Corpus statistics
- "am" and "auf" also get mixed up with nearby pairs, the highest-scored neighbour is "acs vs auf". Nearby pair
Confusion rank #20,406 of 75,631 scored Portuguese pairs, corpus vintage 2026-09-03, not spelling advice.