so many   –ngaho
(to be) kungana
En-En dictionary 
kungana (-nganye)     v    1. to be equal, 2. to be the same, 3. to be so many
ngāhe     adj    how many?
-ngaho so many
many    –inshi
(how many?) –ngāhe?
(so many) –ngāho
(to be ~) kurūndāna
(to be, esp. cows, trees) gusagāra
(to be so) kungana
En-En dictionary 
 so many found in: Kirundi I (Study lessons)
lesson 51   Ordinary Past Tense I