arch-enemy /ärch-enˈə-mi/

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

• essives
• essoin
• essoined
• essoiner
• essoiners
• essoining
• essoins
• essonite
• essonites
• essoyne
• essoyned
• essoynes
• essoyning
• -est
• est
• est.
• EST
• Est.
• establish
• established
• establisher
• establishers
• establishes
• establishing
• establishment