Here's how it works:
* Subversive is an adjective, meaning tending to overthrow or undermine an established system or authority.
* Subvert is the verb, meaning to overthrow or undermine something, especially an established system or authority.
Here are some examples of how to use "subvert":
* "The rebels aimed to subvert the government."
* "They attempted to subvert the election process."
* "The hackers tried to subvert the security system."