Spelling List #13

4. Having a space or cavity inside; not solid.
5. The inner surface of the hand between the wrist and the fingers.
11. To grind or strike (the teeth) together, often in anger.
12. A large marine mammal with a streamlined body and a blowhole on top of its head.
13. Speaking very softly or quietly.
14. Truthful and sincere; not deceitful.
16. Information, understanding, or skill obtained through experience or education.
18. The joint between the thigh and the lower leg in humans and some animals.
19. A structure used for climbing, typically consisting of two side rails joined by rungs.

1. Spherical pockets of air or gas in a liquid.
2. A group of people appointed for a specific function or task.
3. The middle of the night; 12:00 AM.
6. A passage between rows of seats or shelves.
7. A person who travels in a vehicle but is not the driver.
8. Uncooked or unprocessed; in a natural state.
9. A cushion used to support the head while sleeping.
10. The joint connecting the hand with the forearm.
13. The remains of something that has been badly damaged or destroyed.
15. Firm, rigid, or difficult to bend or move.
17. People in general, often used to refer to a specific group or community; also, traditional culture.