arch·en·e·my 
(ärch-ĕnə-mē)
(ärch-ĕnə-mē)n.
1. A principal enemy.
2. often Archenemy The Devil; Satan. Used with the.
- Chron.
- chron-
- chronaxie
- chronaxy
- chrondr-
- chrondri-
- chronic
- chronically
- chronic fatigue syndrome
- chronicity
- chronicle
- chronicle play
- chronicler
- chronic obstructive pulmonary disease
- chronic traumatic encephalopathy
- chronic wasting disease
- chrono-
- chronobiologic
- chronobiological
- chronobiologically
- chronobiologist
- chronobiology
- chronogram
- chronogrammatic
- chronogrammatically