Downfall and Debacle

Downfall noun - Something that is the cause of one's ultimate failure or loss of life.

Debacle is a synonym for downfall in event topic. In some cases you can use "Debacle" instead a noun "Downfall", when it comes to topics like disgrace.

Debacle noun - A sudden violent event that brings about great loss or destruction.

Downfall is a synonym for debacle in event topic. You can use "Downfall" instead a noun "Debacle", if it concerns topics such as catastrophe.