jealous    (to be) gusharika, kugira ishari
(between wives) gukēba
En-En dictionary 
gukēba (-kēvye)     v    1. to be jealous (esp. between wives), 2. to mistrust
gukēbana (-kēbanye)     v    to be jealous of each other
gusharika (-sharitse)     v    to be jealous
kugira ishari (-gize)   phr    to be jealous
gusharikana (-sharikanye)     v    to be jealous of each other
akēnese     7  class 7
singular: aka-,aga-
  
1. hatred or jealousy among members of a polygamous family, 2. projection of any kind of building (such as church tower, comb on house, etc.)
ikēba    n    1. jealously (esp. between wives of same husband), 2. speaking evil of another with whom you share work
ishari   5  class 5
singular: i-,iri-
  
jealousy
ukwīpfūza   9  class 9
singular: uku-
plural: ama-
  
envy, jealousy, enviousness, covetousness
jealousy    ishari, ukwīpfūza
(between wives, or another with whom you share work) ikēba
En-En dictionary 
 jealous found in: Kirundi I (Study lessons)
lesson 83   Passive Verbs
lesson 106   Reciprocal Form of Verb