Sadomasochism (noun)

1. The practice of taking pleasure in causing or receiving pain.
2. The tendency to derive pleasure from one's own pain and the pain of others.

Origin:

From german sadomasochismus, from sadism + masochism.

Examples:

1. The sadomasochism in the relationship between the two characters was disturbing to many viewers.
2. He had a fascination with sadomasochism and would often engage in it with his partners.
3. Some people believe that sadomasochism is a form of sexual deviance, but others view it as a legitimate form of sexual expression.
4. The novel explored the dark world of sadomasochism and the consequences that come with it.
5. The sadomasochism in the novel was described in graphic detail and it made many readers uncomfortable.