kuvuma (-vumye)   v    to curse
kuvuma amate (-vumye)   phr    to spit on
kuvumana (-vumanye)   v    to curse each other
curse    umuvumo
(to ~) kuvuma
(to ~ each other ) kuvumana
En-En dictionary 
spit    amate, igikororwa
(spurted from between teeth as indication of scorn) inyeri
(to ~) gucīra amate
(to ~ on) kuvuma amate
(~ up milk, baby) kubōga
(~ up phlegm) kuruka
En-En dictionary