oyāye   emph    no! absolutely not
oya     no
(emphatic) oyāye
no    oya
(adj.) nta, ata
(emphatic) oyāye, ishwi, eka, ekāye, wapi
(to say ~) guhakana
(euphemism for a polite No) nzokubarira (lit. I will let you know)
En-En dictionary 
 oyaye found in: Kirundi I (Study lessons)
lesson 3   Possessive Adjective