frighten    kudigiriza, gukānga, gutīnyīsha, gutēra ubwōba, kuvyigiriza
(away with shouting) kwāmira
(unintentionally) gukangīra
(to make a loud frightening noise) guturagara
En-En dictionary 
gukangīra (-kangīriye)     v    1. to frighten unintentionally, 2. to threaten, scold
gutīnyīsha (-tīnyīshije)     v    to frighten
shout    (to ~) gukoma indūru, gusemerera
(for help) gutakāmba, gutaka, kwāmbaza, gutabāza
(in sudden fear) gutūra ubuku
(to frighten away) kwāmira
En-En dictionary 
gukāngana (-kānganye)     v    to frighten each other
guhagarika umutima (-hagaritse)   phr    1. to be troubled, frightened, 2. nervousness, anxiety, worry
gukānga (-kānze)     v    1. to scare, frighten, 2. to be shiny (as silk cloth)
gukāngwa (-kānzwe)     v    1. to be frightened, thunderstruck, 2. to be taken sick suddenly (supposedly from python looking at one)
gutēra ubwōba   phr    to make afraid, to frighten, to scare
guturagara (-turagaye)     v    1. to thunder, 2. to make a loud frightening noise
kudigiriza (-digirije)     v    1. to threaten, 2. to frighten, 3. to boast over another
kuvyigiriza (-vyigirije)   v    1. to frighten, 2. to threaten
umuturagaro (imi-)     2  class 2
singular: umu-
plural: imi-
  
thunder, loud frightening noise
frightened    (to be) guhagarika umutima, gucīka ivutu
En-En dictionary 
noise    urwamo
(loud, frightening) umuturagaro
(esp. of battle or strife) umuvurungano
(of earthquake, or approaching storm) umugigimo
(of rain, thunder) umuhīndo
(of wind, rain, running feet, etc.) igihīnda
(to make a big) kwāsana, kubomborana, kubugiriza, gusāma
(to make a lot) kuvurungana, kuyogora
(to make a loud frightening) guturagara
En-En dictionary