The strongest curses in both the Swedish and the Dutch languages refer to religious matters, but there is a fundamental difference between the two languages. In Swedish, you use the name of the Devil and of his home as the starting point for the development of curses, whereas in Dutch the name of God plays a similar role. It occurs in a variety of shapes.
Euphemisms occur in many languages in connection with cursing.
Also in Dutch noa words are created to replace the most vulgar religious curses in order to make the expressions socially acceptable. These are mainly used in the Southerna parts of the Netherlands and in the Flemish-speaking parts of Belgium.