guhababuka (-hababutse)   v    to be startled, to jump in surprise
 guhababuka : possible conjugation of:
kubabuka (-babutse)     v    to be singed, scorched
startled    (to be) guhababuka, kuranduka umutima
(out of sleep) kugangabuka
(to give a ~ cry) gutūra ubuku
En-En dictionary 
surprise    (to) kujegeza, kujorera, gutangāza
(to be taken by) gufata mpiri
(to jump in) guhababuka, kuzanzamuka
En-En dictionary