Definitions: Polity VS politic

Polity:
Polity is a group with an organized governance. Normally a politically organized population or can be a religious one. It is often used to describe a loosely organized society such as a tribe or communicty, but can mean any political group including a governement or empire, corporation or academy. It is also used in the phrase ecclesiastical polity as a synonym of church governement.

Politics:
Politics is the art or science of government or governing, especially the governing of a political entity, such as a nation, and the administration and control of its internal and external affairs.
Max weber definition: Politics mean striving to share power or striving to influence the distribution of power, either among states or among groups within a state.”