aufbauenvsAuflagenTell them apart

Quick tell: aufbauen is a verb, Auflagen is a noun, so they fill different roles in a sentence.

Which to use

“aufbauen” is a verb and “Auflagen” is a noun - they look or sound alike but fill different roles in a sentence.

#4,677
“aufbauen” frequency rank
#5,798
“Auflagen” frequency rank
10475
confusion score

Side-by-Side Comparison

Feature aufbauen Auflagen
Definition eine bauliche Anlage errichten Nominativ Plural des Substantivs Auflage

Where the eye mixes aufbauen and Auflagen

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. aufbauen (VVCCVVVC) and Auflagen (VVCCVCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

8 ch
aufbauen
8 ch
Auflagen

Look-alike desk: aufbauen vs Auflagen

These two trip readers on the page rather than in the ear: aufbauen is [ˈaʊ̯fˌbaʊ̯ən] while Auflagen is [ˈaʊ̯fˌlaːɡn̩]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 10475, derived from the frequency rank of both members and their visual similarity.

aufbauen is recorded at frequency rank #4,677, classified as averb, pronounced [ˈaʊ̯fˌbaʊ̯ən]. Auflagen is at rank #5,798, tagged as anoun, pronounced [ˈaʊ̯fˌlaːɡn̩].

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 10475, this pair ranks #1,974,937 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of aufbauen vs Auflagen

Shared letters: aefnu. Private to "aufbauen": b. Private to "Auflagen": gl.

"aufbauen" · 8 letters · shape VVCCVVVC  ·  "Auflagen" · 8 letters · shape VVCCVCVC

Known mistypes of this pair

  • aufbauenafubauen · aubfauen · aufabuen · aufbaeun · aufbauenn · aufbaune · aufbbauen · aufbuaen
  • Auflagenafulagen · aufalgen · aufflagen · auflaegn · auflagenn · auflaggen · auflagne · auflgaen

Frequently Asked Questions

Is swapping "aufbauen" for "Auflagen" ever safe?
No - they are not even the same part of speech. "aufbauen" is a verb and "Auflagen" a noun, so a sentence built for one is usually ungrammatical with the other.
In ordinary German text, does "aufbauen" or "Auflagen" show up more?
"aufbauen" is the more common of the two: it sits at frequency rank #4,677 in our German list, against #5,798 for "Auflagen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

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 "aufbauen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Auflagen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,974,937 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "aufbauen" and "Auflagen" also get mixed up with nearby pairs, the highest-scored neighbour is "aufbauen vs aufblühen". 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 #1,974,937 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