* Caution: This word comes from the Latin "cautio," meaning "act of guarding or protecting." The connection is that a "brand" could be used to mark ownership, and thus, caution is needed to avoid interfering with marked property.
* Cautious: This word, meaning "careful," is derived from "cautio."
* Cauterize: This word means "to burn or sear a wound with a hot instrument" to stop bleeding or infection. It directly uses the root "caut" to describe the burning action.
* Caustic: This word describes something that is "burning or corrosive." It relates to the root "caut" in terms of the burning effect.
* Cauterant: This is a less common word meaning "a substance used for cauterizing."
* Cautery: This is the act of cauterizing, or the instrument used for cauterizing.
Let me know if you'd like to explore more words with this root!