eight
The German word 'acht' is used to represent the number eight. It is a cardinal number and is used in counting and expressing quantities. It is pronounced similarly to the English word 'ate' but with a short 'a' sound. For example, 'I have eight apples' translates to 'Ich habe acht Äpfel' in German.
Eight days are not contained in a week.
Here, 'acht' is employed to provide a count of days, demonstrating that the count exceeds the standard number of days in a week.
I have eight books.
This sentence uses 'acht' as a numerical value to indicate the quantity of books.
Eight o'clock is my favorite time.
In this case, 'acht' is used to denote the time on a clock, specifically 8 o'clock.