abvsaufWhat's the difference?

Which to use

“ab” and “auf” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#102
“ab” frequency rank
#15
“auf” frequency rank
117
confusion score

Side-by-Side Comparison

Feature ab auf
Definition von etwas weg, von jemandem weg, einem Ort weg, einem Punkt weg; ausgehend, beginnend mit, von; mehr als, vergrößert um, weniger als, verringert um, herunter, hinunter an der Oberseite von etwas

Where the eye mixes ab and auf

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

2 ch
ab
3 ch
auf

Spelling & Dictionary Insight

A purely visual mix-up. ab ([ap]) and auf ([aʊ̯f]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 117, derived from the frequency rank of both members and their visual similarity.

ab is recorded at frequency rank #102, classified as aprep, pronounced [ap]. 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 117, this pair ranks #2,006,260 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of ab vs auf

Shared letters: a. Private to "ab": b. Private to "auf": fu.

"ab" · 2 letters · shape VC  ·  "auf" · 3 letters · shape VVC

Frequently Asked Questions

Can "ab" and "auf" be used interchangeably?
No. They are said differently ([ap] versus [aʊ̯f]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "ab" or "auf"?
"auf" is the more common of the two: it sits at frequency rank #15 in our German list, against #102 for "ab". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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

Source: FrequencyWords open word-frequency list