nausea    igisesema, iseseme, ikirungurira
(to cause) gusesema
(to feel) kurungurirwa
En-En dictionary 
gusesema (-sesemye)     v    to cause nausea
kurungurirwa (-rungurirwe)   v    to be dizzy, to feel nausea
gusesemwa (-sesemwe)     v    to be nauseated
gushishwa (-shishwe)     v    to be nauseated by repulsive thing
igisesema (ibi-)     4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
nausea
ikirungurira (ibi-  4  class 4
singular: iki-,ic-
plural: ibi-,ivy-
  
nausea
iseseme   3  class 3
singular: i-,in-
  
nausea
nauseated    (to be) gusesemwa
(by repulsive thing) gushishwa
En-En dictionary 
repulsive    (to be) gushisha
(to be nauseated by a ~ thing) gushishwa
En-En dictionary