gutobeka (-tobetse)     v    to have dirt in (as water or milk)
contaminated    (to have dirt in, milk, water) gutobeka
En-En dictionary 
dirt    umwānda, ico, ubucafu
(esp. on body) ubuhoma, imvyiro
(in water) ikirohe
(in water, milk) igitotsi
(to have dirt in water, milk) gutobeka
(to rubb off) guhungura
En-En dictionary 
milk    amata
(human) amabērebēre
(buttermilk) amaterere
(skimmed) amatererwa
(given to sick) umwērēra
(sour) urubu
(containers, table or shelf for) uruhīmbi
(cup) icānsi
(to have dirt in ~) gutobeka
(to pour ~ down another's throat) kuramiza
(to put skin of dead calf before cow so she will give milk) kwōrokēra
(to remove a foreign body from) gutosōra
(to sour, curdle) kuvura
En-En dictionary 
water    amazi
(rapidly flowing) umupfūnda
(anything that falls in) ikirohe
(dirt in) ikirohe
(large deep place of) icōgo
(thing for drawing) ikivōmesho
(to ~ plants) gusukira, kuvōmera
(to draw, go for) kuvōma
(to be covered with) kurengerwa
(to be in) kubōmbeka
(to filter ~) kuyōra amazi
(to flow softly, quietly) kuyōmbekēra
(to go in, swim) kwōga
(to have dirt in) gutobeka
(to pour on another's hands) kwūhīra
(to put into) kurobeza
(to remove foreign article) gutosōra
En-En dictionary