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

• nocturnals
• nocturne
• nocturnes
• nocturns
• nocuous
• nocuously
• nocuousness
• nocuousnesses
• nod
• nodal
• nodalise
• nodalised
• nodalises
• nodalising
• nodalities
• nodality
• nodalize
• nodalized
• nodalizes
• nodalizing
• nodally
• nodated
• nodation
• nodations
• nodded