guharagura (-haraguye)     v    to scratch (as slate)
 guharagura : possible conjugation of:
kuragura (-raguye)     v    1. to divine, 2. bewitch, 3. seek to know doer of evil (as witch doctor does), 4. to be a mind reader
scratch    umukwābu
(to ~) gukūba
(as wood, slate, etc.) guharura, guharagura
(oneself) kwīyāga
(with fingernails) kwāga
(with a nail) guhānda
En-En dictionary 
 guharagura found in: Kirundi II (Grammar)
chapter 26   Special Verb Endings