ishano (ama-)     5  class 5
singular: i-,iri-
plural: ama-
  
poison
poison    ubumara, uburozi, ishano
(of snake or other animal, in mouth) ubusagwe
En-En dictionary 
 ishano found in: Imyibutsa (proverbs)
Umwibutsa 272   Ishano ntirihanura umukuru rihanura...
Umwibutsa 273   Ishano rishana mu kanwa....