Potential energy (stored energy)
Kinetic energy (energy presently doing work or causing change)
Potential energy is the energy in a body due to its position. It is the energy possessed by a body by virtue of its position or state. For example water at the top of the waterfall before the precipice.
While kinetic energy is the energy in a body due to its motion. Kinetic energy is energy possessed by a body by virtue of its movement. For example: Flowing water, such as when falling from a waterfall.