Revolution means orbiting around another body.
A year is a time for a planet to complete one orbit around the Sun.
Explanation:
The words revolution and year are connected as a result of a revolution. The definition of a revolution is that the movement of 1 object around a middle or an in a very given length of your time which may be measured in terms of years. and year may be a peroid or length of twelve month within which the eart revovle round the sun.
