AfDvsaufWhich spelling fits?

Quick tell: AfD is a noun, auf is a preposition, so they fill different roles in a sentence.

Which to use

“AfD” is a noun and “auf” is a preposition - they look or sound alike but fill different roles in a sentence.

#594
“AfD” frequency rank
#15
“auf” frequency rank
609
confusion score

Side-by-Side Comparison

Feature AfD auf
Definition Abkürzung von Alternative für Deutschland, eine 2013 gegründete Partei rechts von der Mitte an der Oberseite von etwas

Where the eye mixes AfD and auf

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

3 ch
AfD
3 ch
auf

Look-alike desk: AfD vs auf

These two trip readers on the page rather than in the ear: AfD is [aːʔɛfˈdeː] while auf is [aʊ̯f]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 609, derived from the frequency rank of both members and their visual similarity.

AfD is recorded at frequency rank #594, classified as anoun, pronounced [aːʔɛfˈdeː]. auf is at rank #15, tagged as aprep, 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 609, this pair ranks #2,005,618 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of AfD vs auf

Shared letters: af. Private to "AfD": d. Private to "auf": u.

"AfD" · 3 letters · shape VCC  ·  "auf" · 3 letters · shape VVC

Frequently Asked Questions

Do "AfD" and "auf" mean the same thing in a sentence?
No - they are not even the same part of speech. "AfD" is a noun and "auf" a preposition, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "AfD" or "auf" show up more?
"auf" is the more common of the two: it sits at frequency rank #15 in our German list, against #594 for "AfD". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

After this comparison

Eye-level mix-up between "AfD" and "auf" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "AfD" 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 #2,005,618 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "AfD" and "auf" also get mixed up with nearby pairs, the highest-scored neighbour is "AfD vs AUD". Nearby pair

Confusion rank #2,005,618 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.

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

Source: FrequencyWords open word-frequency list