Islamist vs Mussulman

Islamist

noun
  • A Muslim who espouses Islamic fundamentalist beliefs. 

  • A scholastic Muslim who specializes in Muslim academics. 

adj
  • Motivated by fundamentalist Muslim beliefs, particularly in the political sphere. 

Mussulman

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