Here are some examples of words derived from the root "vulcan":
* Volcano: A mountain that erupts with lava, ash, and gases.
* Vulcanize: To treat rubber with sulfur to improve its strength and elasticity.
* Vulcanite: A hard, durable form of rubber created by vulcanization.
* Vulcanism: The processes related to volcanic activity, including eruptions, lava flows, and the formation of volcanic features.
These examples demonstrate how the root word "vulcan" is used to denote concepts related to fire, heat, and the process of shaping and transforming materials.