AffevsaufWhich spelling fits?

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

Which to use

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

#12,017
“Affe” frequency rank
#15
“auf” frequency rank
12032
confusion score

Side-by-Side Comparison

Feature Affe auf
Definition Säugetier aus der Unterordnung Anthropoidea in der Ordnung der Primaten an der Oberseite von etwas

Where the eye mixes Affe and auf

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

4 ch
Affe
3 ch
auf

Look-alike desk: Affe vs auf

These two trip readers on the page rather than in the ear: Affe is [ˈafə] while auf is [aʊ̯f]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 12032, derived from the frequency rank of both members and their visual similarity.

Affe is recorded at frequency rank #12,017, classified as anoun, pronounced [ˈafə]. 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 12032, this pair ranks #1,966,570 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of Affe vs auf

Shared letters: af. Private to "Affe": e. Private to "auf": u.

"Affe" · 4 letters · shape VCCV  ·  "auf" · 3 letters · shape VVC

Known mistypes of this pair

  • Affeafe · afef · fafe

Frequently Asked Questions

Do "Affe" and "auf" mean the same thing in a sentence?
No - they are not even the same part of speech. "Affe" is a noun and "auf" a preposition, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Affe" vs "auf" - which ranks higher?
"auf" is the more common of the two: it sits at frequency rank #15 in our German list, against #12,017 for "Affe". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "Affe" 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 #1,966,570 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "Affe" and "auf" also get mixed up with nearby pairs, the highest-scored neighbour is "Affe vs Atze". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #1,966,570 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