Which to use
“sein” is a verb and “seiner” is an unknown - they look or sound alike but fill different roles in a sentence.
- #63
- “sein” frequency rank
- #142
- “seiner” frequency rank
- 205
- confusion score
Side-by-Side Comparison
| Feature | sein | seiner |
|---|---|---|
| Definition | Kopula, die dem Subjekt ein logisches Prädikat zuordnet | Genitiv des Personalpronomens er |
Where the spellings diverge
Shared letters are muted; the letters that actually set sein and seiner apart are highlighted. They share 4 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
sein and seiner form a confusable pair in the German index, two distinct headwords that are easily confused because they look alike, sound alike, or both. They differ by 2 extra letter(s) - “sein” sits inside “seiner” - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 205, derived from the frequency rank of both members and their visual similarity.
sein is recorded at frequency rank #63, classified as averb, pronounced [zaɪ̯n]. seiner is at rank #142, tagged as anunknown, pronounced [ˈzaɪ̯nɐ].
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 205, this pair ranks #2,006,150 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "sein" and "seiner" be used interchangeably?
Remembering sein vs seiner
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “sein”; for an unknown, it's “seiner”.
- See each word in full, definition, IPA, etymology and its other confusables. Full “sein” entry
- Browse more pairs most likely to be confused. Most confusable