penis    inzanyi, imboro (Sw.), ubugabo
En-En dictionary 
imboro (im-  3  class 3
singular: i-,in-
plural: i-,in-
  
penis (Sw.)
ubugabo     8  class 8
singular: ubu-
  
1. authority, 2. bossiness, 3. manhood, penis
inzanyi (in-  3  class 3
singular: i-,in-
plural: i-,in-
  
penis