arch-enemy /ärch-enˈə-mi/

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

• knaves
• knaveship
• knaveships
• knavish
• knavishly
• knavishness
• knavishnesses
• knawel
• knawels
• knead
• kneadable
• kneaded
• kneader
• kneaders
• kneading
• kneading-trough
• kneading-troughs
• kneads
• knee
• knee-breeches
• knee-cap
• kneecap
• knee-capped
• knee-capping
• kneecapping