Miscreant and Nefarious

Miscreant noun - A mean, evil, or unprincipled person.

Nefarious and miscreant are semantically related in evil topic. In some cases you can use "Nefarious" instead an adjective "Miscreant", when it comes to topics like criminal.

Nefarious adjective - Not conforming to a high moral standard; morally unacceptable.

Miscreant and nefarious are semantically related in bad topic. Sometimes you can use "Miscreant" instead an adjective "Nefarious".