* Xylophone: A musical instrument with wooden bars that are struck with mallets.
* Xylography: The art of carving wood to create printing blocks (like woodcuts).
* Xylophagous: An adjective describing animals that eat wood, such as termites and some beetles.
* Xylogenesis: The process of wood formation in plants.
* Xylem: The vascular tissue in plants that transports water and nutrients throughout the plant.
These are just a few examples. There are many more words based on the Greek root "xylon" that are used in various fields, including biology, botany, and art.