kuruta (-rushe)     v    to surpass, to be better (also used to make comparative)
 kuruta : Prefixless Present 9.class sing. with 6.class sg. object of:
guta (-tāye)     v    1. to throw away, to throw, to discard, 2. to lose
kurutanya (-rutanije)     v    to race, to contest
ipurusa   5  class 5
singular: i-,iri-
  
interest (econom., from kuruta)
contest    guhiga, kurutanya
En-En dictionary 
surpass    (one who surpasses all others) agahebūza, agakūra
(thing that surpasses everything of its kind) akaminūza, akarēnzo
(to ~) kurēnga, kurusha, kurushiriza, kuruta, gusūmba
(all others, good or bad) guhebūza, kunengesēra
(to try to ~) guhiga
En-En dictionary 
race    (to ~) guhiga, kumaranira, gusiganwa, gutanguranwa, kurutanya
En-En dictionary 
 kuruta found in: Kirundi I (Study lessons)
lesson 108   Adverb –te? Comparisons
 kuruta found in: Imigani (tales)
Umugani 25   Inzu
Umugani 30   Icete c'akarorero