Paraphilias

noun sexual attraction or activity involving corpses

• The forensic team discovered evidence of necrophilia at the crime scene.
• I heard some creepy rumors about necrophilia happening at the old cemetery.
• That guy is seriously messed up, he's into some necrophilia stuff.
• His obsession with vintage cars borders on necrophilia, he just can't get enough of them.

noun the practice of gaining sexual pleasure from watching others when they are naked or engaged in sexual activity

• Voyeurism is considered a serious invasion of privacy and is illegal in many jurisdictions.
• Some people get a thrill from voyeurism, but it's not something I'm into.
• Creeping on people through their windows is just straight-up voyeurism.
• His constant monitoring of his employees' work was like a form of voyeurism, always watching their every move.