cacodemon or cacodaemon /kak-ō-dēˈmən/

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

• professionalism
• professionalization
• professionalize
• professionalized
• professionalizes
• professionalizing
• professionally
• professionals
• professions
• professor
• professorate
• professorates
• professoress
• professoresses
• professorial
• professorially
• professoriate
• professoriates
• professors
• professorship
• professorships
• proffer
• proffered
• profferer
• profferers