confederal
a system of government where power is located with the independent states and there is little power in the central government
federal
a system of government where power is shared between a central government and states
government
a system or organization for exercising authority over a body of people
governor
the head of a state government
parliamentary
a system of government where power lies with the legislative body and the leader of the country is part of the legislature
president
the head of state, or leader, in a federal system
prime minister
the head of state in a parliamentary system
unitary
a system of government where almost all power is located with the central government