
die Schwester
sister
A female person who has the same parents as another person.
Meine Schwester und ich verstehen uns sehr gut.
My sister and I get along very well.
sister
die Schwester, die Schwestern
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sister
A female person who has the same parents as another person.
Meine Schwester und ich verstehen uns sehr gut.
My sister and I get along very well.

nurse
A common term for a nurse, that is, a female nursing professional in healthcare.
Die Schwester auf der Station hat mir den Verband gewechselt.
The nurse on the ward changed my bandage.

sister / nun
A female member of a religious community or order; a nun.
Schwester Agnes leitet den Chor im Kloster.
Sister Agnes leads the choir in the monastery.
| gender | feminine die |
|---|---|
| plural | die Schwestern |
| genitive | der Schwester |
| singular | plural | |
|---|---|---|
| nominative | die Schwester | die Schwestern |
| accusative | die Schwester | die Schwestern |
| dative | der Schwester | den Schwestern |
| genitive | der Schwester | der Schwestern |
The article changes with the case; it is shown in colour.
The context shows which 'Schwester' (sister/nurse/nun) is meant. Words like 'Eltern' (parents) or 'Bruder' (brother) point to family. A medical setting ('Krankenhaus' (hospital), 'Arzt' (doctor)) refers to a nurse. Religious terms like 'Kloster' (monastery/convent) or 'Orden' (religious order) signal a nun.
Meine jüngere Schwester studiert Medizin.
My younger sister is studying medicine.
Die Schwester im Krankenhaus war sehr freundlich.
The nurse in the hospital was very friendly.
Schwester Elisabeth betet jeden Morgen in der Kapelle.
Sister Elisabeth prays every morning in the chapel.
In a hospital or doctor's office, it is common to address a female nurse directly as 'Schwester' (nurse), often without knowing her name.
Schwester, könnten Sie mir bitte ein Glas Wasser bringen?
Nurse, could you please bring me a glass of water?
With nuns, 'Schwester' (Sister) is used like a title, normally followed by the person's first name. It is a respectful form of address.
Schwester Johanna leitet den Kindergarten des Ordens.
Sister Johanna runs the order's kindergarten.
nurse
In a hospital, both words can refer to a female nursing professional. Schwester is a traditional, context-dependent abbreviated term and is not unambiguous outside this context, while Krankenschwester explicitly names the profession. Use Schwester in the appropriate hospital-ward context and Krankenschwester when the job title should be clear.

Auf der Station bat ich die Schwester, den Verband zu wechseln.
On the ward, I asked the nurse to change the bandage.
Im Gespräch stellte sich die Krankenschwester als erfahrene Pflegekraft vor.
During the conversation, the nurse introduced herself as an experienced healthcare professional.