Monopoly
The complete control of the entire supply of goods or services.
Monotonous
Something that is boring because it is always the same.
Monologue
A long speech delivered by one person.
Unison
A process in which something is donw or achieved together at the same time.
Universal
Dilema
A situation in which you must make a difficult choice.
Diverse
Bilingual
Trio
Trilogy
A series of three novels or movies that are closely related and invole the same characters or themes.