Relaxation describes an activity. It's a not an unreasonable thing to schedule, for instance. And your idea of relaxation might involve a really intense basketball with friends, if that's your thing. Peacefulness is a state of being. read more
"Relax" focusses on the a single person."Peace" is about interaction between persons. There is the expression"peace of mind", but I feel that is the image of different"agents" in the mind of a person that might fight but don't if the person is in a state of"peace of mind". read more
As nouns the difference between peace and calm is that peace is a state of tranquility, quiet, and harmony; absence of violence for instance, a state free from civil disturbance while calm is (in a person) the state of being calm; peacefulness; absence of worry, anger, fear or other strong negative emotion. read more
But there is this clear difference: Peace can be a subjective feeling in the heart or an objective state of affairs between two formerly hostile parties. Joy, on the other hand, only refers to a subjective feeling in the heart. read more