donut    irindazi, igitumbura
En-En dictionary 
irindazi (ama-  5  class 5
singular: i-,iri-
plural: ama-
  
donut like snack food, served with tea
igitumbura (ibi-  4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
doughnut, donut, fritter, sinker