denvsDudenWhich spelling fits?

Quick tell: den is a unknown, Duden is a noun, so they fill different roles in a sentence.

Which to use

“den” is an unknown and “Duden” is a noun - they look or sound alike but fill different roles in a sentence.

#10
“den” frequency rank
#15,067
“Duden” frequency rank
15077
confusion score

Side-by-Side Comparison

Feature den Duden
Definition Akkusativ Singular Maskulinum des bestimmten Artikels der bekanntes Wörterbuch der deutschen Sprache

Where the eye mixes den and Duden

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

3 ch
den
5 ch
Duden

Look-alike desk: den vs Duden

These two trip readers on the page rather than in the ear: den is [deːn] while Duden is [ˈduːdn̩]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 extra letter(s) - “den” sits inside “Duden”, and the parts of speech differ too (unknown vs noun), which is usually the fastest check. Our composite confusion score for this pair is 15077, derived from the frequency rank of both members and their visual similarity.

den is recorded at frequency rank #10, classified as anunknown, pronounced [deːn]. Duden is at rank #15,067, tagged as anoun, pronounced [ˈduːdn̩].

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 15077, this pair ranks #1,946,566 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of den vs Duden

Shared letters: den. Private to "den": -. Private to "Duden": u.

"den" · 3 letters · shape CVC  ·  "Duden" · 5 letters · shape CVCVC

Known mistypes of this pair

  • Dudendduden · dduen · dudden · dudenn · dudne · duedn · udden

Frequently Asked Questions

Can "den" and "Duden" be used interchangeably?
No - they are not even the same part of speech. "den" is an unknown and "Duden" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "den" vs "Duden" - which ranks higher?
"den" is the more common of the two: it sits at frequency rank #10 in our German list, against #15,067 for "Duden". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

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

  • Full dictionary entry for "den" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Duden" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,946,566 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "den" and "Duden" also get mixed up with nearby pairs, the highest-scored neighbour is "Duden vs duran". 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 #1,946,566 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