magic user vs tagati

magic user

noun
  • One who uses (or has skill with) magic. 

tagati

noun
  • In South African English, a wizard, witch, or a spiteful person who operates in secret to harm others or who uses poisons and familiar spirits to carry out harmful deeds. 

How often have the words magic user and tagati occurred in a corpus of books? (source: Google Ngram Viewer )