The term 'PERILOUS' and 'RISKY' are often used interchangeably to describe a situation that is DANGEROUS. They both refer to a situation that has the potential to cause harm or injury, either physically or emotionally. The term 'PERILOUS' is derived from the Latin word 'periculum, ' which means 'DANGER.' The term 'RISKY' is derived from the Old French word 'risque, ' which means 'HAZARD.' Both terms can be used to describe a situation that is potentially hazardous or life-threatening.