arch-enemy /ärch-enˈə-mi/

1. A chief enemy
2. Satan (also arch-felˈon, arch-fiendˈ, arch-foeˈ)

• confidences
• confidence trick
• confidence tricks
• confidence trickster
• confidence tricksters
• confidencies
• confidency
• confident
• confidential
• confidentialities
• confidentiality
• confidentially
• confidently
• confident person
• confidents
• confider
• confiders
• confides
• confiding
• confidingly
• confidingness
• confidingnesses
• configurate
• configurated
• configurates