Can you use the word violate as a noun?

No, "violate" is a verb, meaning to break a rule or law, or to treat someone disrespectfully. It cannot be used as a noun.

You could use related nouns like:

* Violation: This refers to the act of breaking a rule or law.

* Violation of rights: This refers to an infringement on someone's rights.

For example, you could say: "The company's actions were a violation of environmental regulations."