Faith ngomngai is the belief about something that you don't see or handle.So the ancient faith of each country or group of people a little, because each area is.That is not the same, there are just different.
Superstition is a belief about what is invisible, or tangible things not so ancient people believed that a country or a minority, because the area is located is not the same, so there. Different beliefs
Superstition is a belief about the unseen, or what intangible , so the ancient people believed that strange of each country or area has a minority because each is .That is not the same so have different beliefs.