Supremacy (noun)

1. The state or condition of being superior or higher in rank, status, or power.
2. The state or condition of being dominant or having the highest authority.
3. The state or condition of being supreme or superior to all others.

Origin:

From the latin word "supremus" meaning highest or most superior.

Examples:

1. The country is striving for economic supremacy over its rivals.
2. The company's products enjoy supremacy in the market.
3. The supremacy of the emperor was not questioned by his subjects.
4. The laws of physics have supremacy over the laws of chemistry.
5. The supremacy of the government is challenged by the opposition.