Which to use
“APO” is an abbrev and “auf” is a preposition - they look or sound alike but fill different roles in a sentence.
- #31,930
- “APO” frequency rank
- #15
- “auf” frequency rank
- 31945
- confusion score
Side-by-Side Comparison
| Feature | APO | auf |
|---|---|---|
| Definition | außerparlamentarische Opposition | an der Oberseite von etwas |
Where the eye mixes APO and auf
Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.
Visual trap between APO and auf
These two trip readers on the page rather than in the ear: APO is [ˈaːpo] 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 (abbrev vs preposition), which is usually the fastest check. Our composite confusion score for this pair is 31945, derived from the frequency rank of both members and their visual similarity.
APO is recorded at frequency rank #31,930, classified as anabbrev, pronounced [ˈaːpo]. 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 31945, this pair ranks #1,717,904 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of APO vs auf
Shared letters: a. Private to "APO": op. Private to "auf": fu.
"APO" · 3 letters · shape VCV · "auf" · 3 letters · shape VVC
Frequently Asked Questions
Is swapping "APO" for "auf" ever safe?
Which is more common, "APO" or "auf"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "APO" 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 #1,717,904 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "APO" and "auf" also get mixed up with nearby pairs, the highest-scored neighbour is "APO vs AUD". Nearby pair
Confusion rank #1,717,904 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.