gutuka (-tutse)     v    1. to slander, 2. to swear at, 3. to insult
gutukana (-tukanye)     v    to slander each other, to yell at each other hateful things
insult    gusīndira, gutuka
En-En dictionary 
slander    igitutsi
(to ~) gucōkōra, gukera, gusiba, gutuka
(a superior unintentionally, but he believes it intentional) kurengwa
(to say a lot of slanderous talk) kuvōvōta
En-En dictionary 
swear    kwīsiba
(give oath) kurahīra
(at) gutuka
En-En dictionary 
yell    (at each other hateful things) gutukana
En-En dictionary 
 gutuka found in: Imigani (tales)
Umugani 11   Ivy'ishuri