attempt   ▶ kugerageza, kugeza
 (something beyond one's strength) gukenyukirwa
En-En dictionary 
gukenyukirwa (-kenyukiriwe)     v   ▶ to be exhausted, attempt something beyond one's strength
gutāna (-tānye)     v   ▶ 1. to go separate ways, 2. to bring loss or failure, 3. to be unsuccessful, 4. to be unable to do what one attempts, 5. to lose one another
kugerageza (-gerageje)     v   ▶ 1. to tempt, attempt, 2. to experiment, to try, to try out, 3. to make an effort
kugeza (-gejeje)     v   ▶ 1. to try, test, attempt, make an effort, 2. tempt, 3. to cause to arrive, to escort to a determined point
ukugerageza   9  class 9
singular: uku- ▶ 1. effort, 2. attempt, endeavor, 3. experiment
fail   ▶ gucumukura
 (another) guhemukira
 (to accomplish what one started) kugaburura
 (to do what one intended) kudehūra
 (to find) kubura, guhusha
 (to give what one promised) kugaramāngira
 (to keep one's word) guhemuka, kwīrahuruza, gutēzūra
 (to return) kugīrīra
 (in on'e task) gusibanganya
 (to be unable to do what one attempts) gutāna
En-En dictionary 
unable   ▶ (to be) kudashobora
(to do what one attempts) gutāna
 (to hear well) kwūmva bihurugūshwi
En-En dictionary