enough
The German word 'genug' is used in a similar way to the English word 'enough'. It can be used to express that a sufficient quantity or amount of something has been reached or achieved. For example, 'Ich habe genug Wasser' means 'I have enough water'.
I have eaten enough.
This is a statement used to express satisfaction with the amount of food one has eaten and does not want to continue eating anymore.
Have you slept enough?
This is a question used to inquire if the person spoken to has received an adequate amount of sleep.
He has enough money.
This statement is used to express that the person referred to has an adequate amount of money, implying they are capable of affording certain goods or services.