ch /k/

2. A sovereign head of state, such as a king, queen, or emperor.
4. The application of scientific knowledge for practical purposes and problem-solving.
7. A state of societal disorder due to the complete absence of ruling authority.
8. A skilled worker who repairs and maintains machinery and engines.
9. A group of singers, typically performing in a church or religious service.
10. A medical condition or illness that persists for a long period of time.
11. An annual holiday and festival celebrated in December.
13. An institution dedicated to the teaching and learning of students.

1. A heavy metal device dropped into the water to keep a ship from drifting.
3. The internal organ where the first major stage of food digestion occurs.
5. A large group of musicians playing string, woodwind, brass, and percussion instruments.
6. A repeating sound caused by the reflection of sound waves off a surface.
9. A large organized group of singers performing together.
11. A hard, shiny metal alloy used to coat and protect other metals.
12. A large-scale systematic plan, plot, or arrangement for putting an idea into effect (corrected from "acheme").