cacodemon or cacodaemon /kak-ō-dēˈmən/

1. An evil spirit or devil
2. A nightmare (Shakespeare)

• math.
• mathematic
• mathematical
• mathematical logic
• mathematically
• mathematician
• mathematicians
• mathematicise
• mathematicised
• mathematicism
• mathematicisms
• mathematicize
• mathematicized
• mathematics
• mathematisation
• mementoes
• memento mori
• mementos
• memes
• memetic
• Memnon
• Memnonian
• memo
• memoir
• memoirism