Lutheran vs Lutheranist

Lutheran

adj
  • Of or pertaining to the theology of Martin Luther (1483–1546) or his followers, or the Lutheran church. 

noun
  • A member of any of the Christian churches which identify with the theology of Martin Luther. 

Lutheranist

adj
  • Lutheran; promoting Lutheranism 

noun
  • A Lutheran. 

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