APOvsAUCTell them apart

Quick tell: APO is a abbrev, AUC is a noun, so they fill different roles in a sentence.

Which to use

“APO” is an abbrev and “AUC” is a noun - they look or sound alike but fill different roles in a sentence.

#31,930
“APO” frequency rank
#41,035
“AUC” frequency rank
72965
confusion score

Side-by-Side Comparison

Feature APO AUC
Definition außerparlamentarische Opposition ehemaliger kolumbianischer Paramilitärverband

Letter map: APO vs AUC

Shared letters muted; letters that set APO and AUC apart highlighted. Shared run: 1.

3 ch
APO
3 ch
AUC

Role in the sentence - APO and AUC

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: APO is anabbrev and AUCanoun. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 72965, 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]. AUC is at rank #41,035, tagged as anoun, pronounced […].

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 72965, this pair ranks #373,510 of 2,006,359 scored German confusable pairs - among the most confusable pairs.

Orthographic DNA of APO vs AUC

Shared letters: a. Private to "APO": op. Private to "AUC": cu.

"APO" · 3 letters · shape VCV  ·  "AUC" · 3 letters · shape VVC

Frequently Asked Questions

Is swapping "APO" for "AUC" ever safe?
No - they are not even the same part of speech. "APO" is an abbrev and "AUC" a noun, so a sentence built for one is usually ungrammatical with the other.
Which is more common, "APO" or "AUC"?
"APO" is the more common of the two: it sits at frequency rank #31,930 in our German list, against #41,035 for "AUC". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Done with this confusable. These links stay specific to "APO" and "AUC".

  • Full dictionary entry for "APO" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "AUC" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #373,510 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "APO" and "AUC" also get mixed up with nearby pairs, the highest-scored neighbour is "AUC vs puzzles". Nearby pair

Confusion rank #373,510 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