spell    amarozi
En-En dictionary 
irozi (ama-  5  class 5
singular: i-,iri-
plural: ama-
  
(used in pl.) spell, charm, hex, magic formula, conjuration
charm    (heathen) igihēko
(heathen, worn on head) urugori
(used by witch doctor) urukorōnko, inkorōnko
('medicine' smeared about kraal to keep away thieves and evil spirits) ururēmbeko
(spell, hex) amarozi
(white shell worn by children) iyugi
En-En dictionary