elf
The word 'Elf' in German is used to refer to the mythical creature known as an elf in English. It is often used in fairy tales and fantasy literature. The plural form is 'Elfen'.
There are eleven apples on the table.
In this sentence, 'Elf' is used as a number to indicate the quantity of apples on the table.
The clock strikes eleven.
Here, 'Elf' is used in the context of telling time. When the clock strikes eleven, it means it's 11 o'clock.
He has eleven books in his collection.
In this context, 'Elf' is used to give an exact count of the number of books in someone's collection. It is a formal way to express quantities in German.