Which to use
“sein” is a verb and “sie” is a pronoun - they look or sound alike but fill different roles in a sentence.
- #63
- “sein” frequency rank
- #18
- “sie” frequency rank
- 81
- confusion score
Side-by-Side Comparison
| Feature | sein | sie |
|---|---|---|
| Definition | Kopula, die dem Subjekt ein logisches Prädikat zuordnet | Personalpronomen 3. Person Femininum Singular, welches eine zuvor benutzte Nominalphrase im Femininum (Person, Tier, Sache oder Abstraktum) ersetzt oder bei fehlendem oder weit entferntem Bezugswort auf eine Person weiblichen natürlichen Geschlechts verweist |
Where the spellings diverge
Shared letters are muted; the letters that actually set sein and sie apart are highlighted. They share 2 letters in sequence, which is exactly why the eye skips the difference.
Spelling & Dictionary Insight
sein and sie 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 1 letter(s) in length - close enough that the eye skips over the difference, far enough that meaning fully diverges. Our composite confusion score for this pair is 81, derived from the frequency rank of both members and their visual similarity.
sein is recorded at frequency rank #63, classified as averb, pronounced [zaɪ̯n]. sie is at rank #18, tagged as apron, pronounced [ziː].
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 81, this pair ranks #2,006,284 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Frequency comparison
Frequently Asked Questions
Can "sein" and "sie" be used interchangeably?
Remembering sein vs sie
The fastest way to pick the right one every time.
- Check the role first: if you need a verb, it's “sein”; for a pronoun, it's “sie”.
- 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