erfassenvsErfassungWhich spelling fits?

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

Which to use

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

#7,311
“erfassen” frequency rank
#10,072
“Erfassung” frequency rank
17383
confusion score

Side-by-Side Comparison

Feature erfassen Erfassung
Definition ergreifen, mitreißen; meistens durch ein vorbeikommendes Fahrzeug das Erfassen einer Gesamtsituation oder das Wesentliche einer Sache begreifen, verstehen

Where the eye mixes erfassen and Erfassung

Muted = shared; highlighted = the visual trap. They share 7 letters in sequence. erfassen runs 8 letters (VCCVCCVC) against Erfassung's 9 (VCCVCCVCC) - the length gap alone is often enough to separate them once you know to check it.

8 ch
erfassen
9 ch
Erfassung

Look-alike desk: erfassen vs Erfassung

These two trip readers on the page rather than in the ear: erfassen is [ɛɐ̯ˈfasn̩] while Erfassung is [ɛɐ̯ˈfasʊŋ]. 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 (verb vs noun), which is usually the fastest check. Our composite confusion score for this pair is 17383, derived from the frequency rank of both members and their visual similarity.

erfassen is recorded at frequency rank #7,311, classified as averb, pronounced [ɛɐ̯ˈfasn̩]. Erfassung is at rank #10,072, tagged as anoun, pronounced [ɛɐ̯ˈfasʊŋ].

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 17383, this pair ranks #1,927,890 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of erfassen vs Erfassung

Shared letters: aefnrs. Private to "erfassen": -. Private to "Erfassung": gu.

"erfassen" · 8 letters · shape VCCVCCVC  ·  "Erfassung" · 9 letters · shape VCCVCCVCC

Known mistypes of this pair

  • erfassen ← efrassen · erafssen · erfasen · erfasesn · erfassenn · erfassne · erfaßen · erffassen
  • Erfassung ← efrassung · erafssung · erfassnug · erfassugn · erfassungg · erfassunng · erfasung · erfasusng

Frequently Asked Questions

Is swapping "erfassen" for "Erfassung" ever safe?
No - they are not even the same part of speech. "erfassen" is a verb and "Erfassung" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "erfassen" vs "Erfassung" - which ranks higher?
"erfassen" is the more common of the two: it sits at frequency rank #7,311 in our German list, against #10,072 for "Erfassung". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "erfassen" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Erfassung" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,927,890 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "erfassen" and "Erfassung" also get mixed up with nearby pairs, the highest-scored neighbour is "erfassen vs erfassten". 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 #1,927,890 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