kurengwa (-renzwe)     v    1. to slander a superior (not intentionally but he interprets it that way), 2. to break taboo
kurēngwa (-rēnzwe)     v    to be surpassed
 kurengwa : passive of...
kurēnga (-rēnze)     v    1. to surpass, go beyond, 2. to break (the law), 3. to disappear, to set (of sun), 4. to be more
urēnge i Gitega! pass by Gitega! go beyond Gitega!
break    (vi) gucīka, kumeneka, kumānyuruka
(vt) guca
(and scatter, vt) gusāvya
(any slender thing, vi) kuvunika
(any slender thing, vt) kuvuna
(completely, vi) kudēndūka, gufyonyoka, kuvunagura
(in two) gusāba
(the law) kurēnga, kuyoba
(object with flat surface, vt) kumena
(off by burning, tree, etc.) gutemuka
(off a piece, bread) kubega
(out, as rash) guhurira, guturika
(rope, chain) kuvutagura
(suddenly, unexpectedly) gukenyuka
(a taboo) kurēngwa, kuzirūra, kugōka
(to bits, vi) kumenagurika, gusatagurika, kuvunagura, kumānyagura
(to bits, vt) gucagagura, kumenagura, gusatagura, kuvunaguza
(up, vi) kumānyagurika, kumānyuka
(up, vt) kujānjagura
(a break, as bone) imvune
En-En dictionary 
slander    igitutsi
(to ~) gucōkōra, gukera, gusiba, gutuka
(a superior unintentionally, but he believes it intentional) kurengwa
(to say a lot of slanderous talk) kuvōvōta
En-En dictionary 
taboo    ikizira
(to be) kuzira
(to break) kurēngwa, kuzirūra, kugōka
(to observe) kuziririza
(to remove) kuzirūra
En-En dictionary