blister    ibavu
(from burns) ubutute bw'ubushe
(to ~) kubūbika, kugurugūmba
En-En dictionary 
kubūbika (-būbitse)     v    to blister (vi)
ibavu (ama-)     5  class 5
singular: i-,iri-
plural: ama-
  
callus, blister
kugurugūmba (-gurugūmvye)     v    1. to pound (of heart), 2. to boil up (water), to blister, 3. grow very fast (child)