Are Stress Testing and Load testing same?

Stress Testing, Load Testing, Spike Testing are some of the Performance Testing types.

Stress Testing: Testing if an application is not crashing down in most severe unexpected conditions. It tests how robust the application is and how can it tackle with error handling when many people are logged in same time.

Load Testing: Testing if an application while steadily increasing the load on the application until it meets the threshold point where the system breaks down.