Empire
Part of speech: noun
Definition: A political unit having an extensive territory or comprising a number of territories or nations and ruled by a single supreme authority. A group of states or other territories that owe allegiance to a foreign power. A state ruled by an emperor. Any vast area under the power of one person; most commonly used in business, e.g. "the McDonalds empire".
Colony
Part of speech: noun
Definition: Region or governmental unit created by another country and generally ruled by another country.A group of organisms of same or different species living together in close association.