auch vs auf, What's the Difference?

Which to use

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

#46,349
“auch” frequency rank: #35,364
“auf” frequency rank: 81713
confusion score

Side-by-Side Comparison

Feature	auch	auf
Definition	Indica dolor físico propio o empatía con el dolor de otro.	Arriba de, sobre, en.

Where the spellings diverge

Shared letters are muted; the letters that actually set auch and auf apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.

4 ch

auch

3 ch

auf

Spelling & Dictionary Insight

These two trip readers on the page rather than in the ear: auch is [ˈawt͡ʃ] 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 (intj vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 81713, derived from the frequency rank of both members and their visual similarity.

auch is recorded at frequency rank #46,349, classified as anintj, pronounced [ˈawt͡ʃ]. auf is at rank #35,364, 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 81713, this pair ranks #10,079 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of auch vs auf

Shared letters: au. Private to "auch": ch. Private to "auf": f.

"auch" · 4 letters · shape VVCC · "auf" · 3 letters · shape VVC

Known mistypes of this pair

auch ← acuh · aucch · auchh · auhc · uach

Frequency comparison

auch#46,349

auf#35,364

Source: FrequencyWords open word-frequency list

Frequently Asked Questions

Can "auch" and "auf" be used interchangeably?

No - they are not even the same part of speech. "auch" is an intj and "auf" a preposition, so a sentence built for one is usually ungrammatical with the other.

Which is more common, "auch" or "auf"?

"auf" is the more common of the two: it sits at frequency rank #35,364 in our Spanish list, against #46,349 for "auch". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Remembering auch vs auf

The fastest way to pick the right one every time.

Check the role first: if you need an intj, it's “auch”; for a preposition, it's “auf”.
See each word in full, definition, IPA, etymology and its other confusables. Full “auch” entry
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