Greek Suffix -cracy means power; rule; government
Democracy - Government of people/ Government by the people प्रजातन्त्र
Autocracy - a system of government of a country in which one person has complete power एकतंत्र
Theocracy - when government is of religious people like priest, bishops etc. धर्मतन्त्र
Plutocracy - when government is controlled by wealthy people like industrialist. धनिक तन्त्र
Bureaucracy - when government is run by top officials. कर्मचारियों द्वारा शासन
Aristocracy - when government is run by noble families. श्रेष्ठ जनों के द्वारा राज्य शासन