incubus /inˈ or ingˈkū-bəs/

1. A devil supposed to assume a male body and have sexual intercourse with women in their sleep (cf succubus)
2. A nightmare
3. Any oppressive person, thing or influence

• collimations
• collimator
• collimators
• collinear
• collinearities
• collinearity
• colling
• collings
• Collins
• Collinses
• colliquable
• colliquant
• colliquate
• colliquated
• colliquates
• colliquating
• colliquation
• colliquations
• colliquative
• colliquescence
• colliquescences
• collision
• collision bulkhead
• collision course
• collision courses