erforderlichvserforderlichenWhat's the difference?

Which to use

“erforderlich” and “erforderlichen” are a confusable German pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#2,494
“erforderlich” frequency rank
#6,784
“erforderlichen” frequency rank
9278
confusion score

Side-by-Side Comparison

Feature erforderlich erforderlichen
Definition jemand/etwas ist nötig, wird gebraucht Genitiv Singular Maskulinum der starken Deklination des Positivs des Adjektivs erforderlich

Where the eye mixes erforderlich and erforderlichen

Muted = shared; highlighted = the visual trap. They share 12 letters in sequence. erforderlich runs 12 letters (VCCVCCVCCVCC) against erforderlichen's 14 (VCCVCCVCCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

12 ch
erforderlich
14 ch
erforderlichen

Look-alike desk: erforderlich vs erforderlichen

A purely visual mix-up. erforderlich ([ɛɐ̯ˈfɔʁdɐlɪç]) and erforderlichen ([ɛɐ̯ˈfɔʁdɐlɪçn̩]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 2 extra letter(s) - “erforderlich” sits inside “erforderlichen”. Our composite confusion score for this pair is 9278, derived from the frequency rank of both members and their visual similarity.

erforderlich is recorded at frequency rank #2,494, classified as anadj, pronounced [ɛɐ̯ˈfɔʁdɐlɪç]. erforderlichen is at rank #6,784, tagged as anadj, pronounced [ɛɐ̯ˈfɔʁdɐlɪçn̩].

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 9278, this pair ranks #1,980,699 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of erforderlich vs erforderlichen

Shared letters: cdefhilor. Private to "erforderlich": -. Private to "erforderlichen": n.

"erforderlich" · 12 letters · shape VCCVCCVCCVCC  ·  "erforderlichen" · 14 letters · shape VCCVCCVCCVCCVC

Known mistypes of this pair

  • erforderlich ← efrorderlich · erfforderlich · erfodrerlich · erfordderlich · erfordelrich · erforderilch · erforderlcih · erforderlicch
  • erforderlichen ← efrorderlichen · erfforderlichen · erfodrerlichen · erfordderlichen · erfordelrichen · erforderilchen · erforderlcihen · erforderlicchen

Frequently Asked Questions

Can "erforderlich" and "erforderlichen" be used interchangeably?
No. They are said differently ([ɛɐ̯ˈfɔʁdɐlɪç] versus [ɛɐ̯ˈfɔʁdɐlɪçn̩]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "erforderlich" or "erforderlichen"?
"erforderlich" is the more common of the two: it sits at frequency rank #2,494 in our German list, against #6,784 for "erforderlichen". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

Eye-level mix-up between "erforderlich" and "erforderlichen" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "erforderlich" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "erforderlichen" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,980,699 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "erforderlich" and "erforderlichen" also get mixed up with nearby pairs, the highest-scored neighbour is "erforderliche vs erforderlichen". 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 #1,980,699 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