Here are some examples of words derived from the Latin root "civ":
* Civil: Relating to citizens or the state.
* Civilization: The process of becoming civilized.
* Civilian: A person who is not a member of the military or police.
* Civic: Relating to a city or its citizens.
* Civic duty: The responsibility of citizens to participate in their community.
If you have another word in mind, please provide it and I'll be happy to help you understand its root.