ibavu (ama-)     5  class 5
singular: i-,iri-
plural: ama-
  
callus, blister
umubavu (imi-)     2  class 2
singular: umu-
plural: imi-
  
(sg. rare) bark of tree used for perfume
bark    igishishwa
(of banana tree) igihubahuba
(cloth garment) indemano
(cloth with painted spots, used as thing of worship) indabe, indome
(~ stripped from tree) udukōkōrwa
(used for perfume) imibavu
(put on new ~) kwībwira
En-En dictionary 
blister    ibavu
(from burns) ubutute bw'ubushe
(to ~) kubūbika, kugurugūmba
En-En dictionary 
callus    ibavu
En-En dictionary 
perfume    isenga
(bark used for) imibavu
(leaves used for) imbazi
(to put on nice smelling stuff) kwōsa
En-En dictionary