repay    kuriha
En-En dictionary 
kurihana (-rihanye)     v    to repay each other
refuse    kwānka, kugāmbāna, guhakana, kunana
(absolutely) guta agati, kuziririza
(esp. girl to marry a certain man) kubēnga
(strongly) gukankamira
(to acknowledge one's wrong) kudadarara
(to eat) kuzira
(to eat or drink with) kunēna
(to eat what you've always eaten) guhura
(to give) kwīma
(to give to another) kwīmana
(to give another his own) kugūnga
(to go on helping someone) guhasha
(to listen, almost as crazy) gutaragurika
(to listen to authority) kugarariza
(to obey) kugaranya
(to repay loan) guheranira
En-En dictionary 
receive    (to) kwābīra, kwākīra, kurōnka
(back security) kugwatūra
(from someone's hands) kwēnda
(in one's hands) kwābīra
(loan and then not pay back) guherana
(more) kurushiriza
(physically) gutēga
(presents) gushikirwa
(something as a gift or loan and repay reluctantly and late) guhasha
(place to receive money or other things) iyakīriro
En-En dictionary 
kuriha (-rishe)     v    to pay, to make amends, to repay, make restitution
kurihīsha (-rihīshije)     v    1. to cause to repay, 2. to demand payment, 3. to bill
 repay found in: Kirundi II (Grammar)
chapter 31   Causatives formed irregularly