Islamist vs jihadist

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. 

jihadist

noun
  • One who participates in a jihad, an Islamic holy war or conflict; a mujahid. 

  • An adherent of jihadism. 

  • One who is militant for their religion (or irreligion). 

adj
  • Pertaining to the Islamic fundamentalist doctrine of jihadism, which advocates armed jihad. 

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