Difference

The word software was first used in the late 1960s to emphasize on its difference from computer hardware, which can be physically observed by the user.

Fog forms when the difference between air temperature and dew point is less than 2.5 °C (4.5 °F).

The main difference between the two is that turtle is the name given to water dwellers and tortoise is the name given to land dwellers.

Autonomous and automated, the difference lies in its ability to be controlled by something or whether it has self-governance.