gukobeza (-kobeje)     v    to strive, persist more strongly than before
persist    gucunaguza, kwigumira, gukovya, kunogēra, kuramiriza, gushimika, gushīshikara
(in asking questions) kuzigiriza
(in old custom) kuzīrōra
(more strongly than before) gukobeza
(patiently) gukenyera, gukenyerera
En-En dictionary 
strive    gukobeza, gushīshikara, guharanira
(~ after) gukovya
(~ and crowd together) kuvurungana
En-En dictionary