beidenvsBeinWhat's the difference?

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

Which to use

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

#240
“beiden” frequency rank
#3,799
“Bein” frequency rank
4039
confusion score

Side-by-Side Comparison

Feature beiden Bein
Definition Dativ Plural der starken Flexion des Indefinitpronomens beide Extremität zum Laufen und Stehen

Where the eye mixes beiden and Bein

Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.

6 ch
beiden
4 ch
Bein

Visual trap between beiden and Bein

These two trip readers on the page rather than in the ear: beiden is [ˈbaɪ̯dn̩] while Bein is [baɪ̯n]. Spoken aloud the problem disappears. In writing it persists, because they differ by 2 letter(s) in length, and the parts of speech differ too (unknown vs noun), which is usually the fastest check. Our composite confusion score for this pair is 4039, derived from the frequency rank of both members and their visual similarity.

beiden is recorded at frequency rank #240, classified as anunknown, pronounced [ˈbaɪ̯dn̩]. Bein is at rank #3,799, tagged as anoun, pronounced [baɪ̯n].

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 4039, this pair ranks #1,998,738 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of beiden vs Bein

Shared letters: bein. Private to "beiden": d. Private to "Bein": -.

"beiden" · 6 letters · shape CVVCVC  ·  "Bein" · 4 letters · shape CVVC

Known mistypes of this pair

  • beidenbbeiden · bedien · beidden · beidenn · beidne · beiedn · bieden · ebiden
  • Beinbbein · beinn · beni · ebin

Frequently Asked Questions

Is swapping "beiden" for "Bein" ever safe?
No - they are not even the same part of speech. "beiden" is an unknown and "Bein" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "beiden" vs "Bein" - which ranks higher?
"beiden" is the more common of the two: it sits at frequency rank #240 in our German list, against #3,799 for "Bein". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

What to do next

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

  • Full dictionary entry for "beiden" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Bein" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #1,998,738 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
  • "beiden" and "Bein" also get mixed up with nearby pairs, the highest-scored neighbour is "Bein vs bic". 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 #1,998,738 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