purpose    urwēgo, umugambi, igituma
(on ~) ibigirānkana
(to do it on ~) kubigira ku mpaka
(or, ibigirankana)
En-En dictionary 
gufūha (-fūshe)     v    1. to breathe heavily and noisily, 2. to yearn over, 3. want one thing and that alone, 4. to purpose to revenge
revenge    (to purpose to) gufūha
En-En dictionary 
kubigira ku mpaka (-gize)   phr    to do it on purpose (see impaka)
impaka (im-)     3  class 3
singular: i-,in-
plural: i-,in-
  
1. discussion, dispute, 2. questioning
kubigira ku mpaka to do it on purpose
ubwayi   8  class 8
singular: ubu-
  
alcohol for med. purpose
igituma (ibi-)     4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
1. reason, 2. cause, 3. purpose
ibigirānkana    n    willfully, intentionally, on purpose, willingly
umugambi (imi-  2  class 2
singular: umu-
plural: imi-
  
1. plan, 2. purpose, intent, 3. project
urwēgo (inz-)     6  class 6
singular: uru-
plural: in-
  
1. prop, 2. aim, purpose, 3. target
 purpose found in: Kirundi I (Study lessons)
lesson 81   Review 71 - 80
lesson 117   Ka Tense
 purpose found in: Kirundi II (Grammar)
chapter 74   bo as a Causative