discover    kwūbuka
(~ the truth) guhinyura
En-En dictionary 
guhinyura (-hinyuye)     v    1. to know the facts of a case, to have judgment, to see through deceit, to discover the truth, 2. to turn against, 3. to scorn, disdain
kwūbuka (-ūbutse)   v    1. to discover, 2. to come upon suddenly, 3. to jump up and run quickly