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

• over-and-under
• over-anxiety
• over-anxious
• over-anxiously
• overarch
• overarched
• overarches
• overarching
• overarm
• overate
• overawe
• overawed
• overawes
• overawing
• overbalance
• overbalanced
• overbalances
• overbalancing
• overbank
• overbear
• overbearing
• overbearingly
• overbearingness
• overbearingnesses
• overbears