daughter    umukōbwa
(of my, your, his sister if one is girlof my, your, his brother if one is boy) umukōbwācu, umukōbwānyu, umukōbwābo
En-En dictionary 
umukōbwācu (aba-)     1  class 1
singular: umu-
plural: aba-
  
1. daughter of my sister (when girl speaking), 2. daughter of my brother (when boy speaking)
umukōbwanyu (aba-  1  class 1
singular: umu-
plural: aba-
  
1. daughter of your sister (if the one spoken to is a girl), 2. daughter of your brother (if the one spoken to is a boy)
niece    (daughter of sister, if a girl; daughter of brother, if boy) umukōbwacu, umukōbwanyu, umukōbwabo
(daughter of brother, if one is a girl) umusēngezana
(daughter of one's sister if one is a boy) umwīshwa
En-En dictionary 
umukōbwa (aba-)     1  class 1
singular: umu-
plural: aba-
  
1. girl, 2. daughter (lit. the one to be given a dowery)
umukōbwabo (aba-  1  class 1
singular: umu-
plural: aba-
  
1. daughter of her sister, 2. daughter of his brother
umukazāna (aba-)     1  class 1
singular: umu-
plural: aba-
  
daughter-in-law
daughter-in-law    umukazāna
En-En dictionary 
 daughter found in: Kirundi I (Study lessons)
lesson 4   Class 2 umu–, imi–
lesson 32   Class 9 uku–, ama–
lesson 101   Reading Lesson