dēmonīˈacism /-ə-sizm/ noun

The state of being a demoniac

demōˈnian adjective (Milton)

demōˈnianism noun

Possession by a demon

demonic /dē-monˈik/ adjective

Demoniac

dēˈmonism noun

A belief in or worship of demons

dēˈmonist noun

dēmonizāˈtion or dēmonisāˈtion noun

dēˈmonize or dēˈmonise transitive verb

1. To stigmatize as evil
2. To convert into a demon
3. To control or possess by a demon

dēmonocˈracy noun

The power of demons

dēmonolˈater noun

dēmonolˈatry noun

The worship of demons

dēmonologˈic or dēmonologˈical adjective

dēmonolˈogist noun

dēmonolˈogy noun

An account of, or the study of, demons and their ways

dēmonomāˈnia noun

A form of mania in which the subject believes himself or herself to be possessed by devils

dēˈmonry noun

Demoniacal influence