kubūngwa (-būnzwe)     v    1. to be wormy, 2. to have weevils
 kubungwa : short form (without augment) of...
ukubungwa   9  class 9
singular: uku-
  
1. caries, 2. decay (of teeth) (from kubungwa)
 kubungwa : passive of...
kubūnga (-būnze)     v    1. to be often sick ( indwara irambungamwo) 2. to search for a buyer, 3. to aggravate a fight
caries    ukubungwa, ukubora kw'amenyo
En-En dictionary 
tooth decay   ukubungwa, ukubora kw'amenyo
En-En dictionary 
weevils    (to have) kubūngwa
En-En dictionary 
wormy    (to be) kubūngwa
En-En dictionary