horror    ivutu, ubwōba, agatēngo
En-En dictionary 
ubwōba     8  class 8
singular: ubu-
  
(no pl.) 1. fear, phobia, angst, 2. cowardice, 3. horror
ivutu   3  class 3
singular: i-,in-
  
(no pl.) 1. terror, 2. horror
gucika ivutu 1. to lose one's head, 2. to be terrified