Islamicist vs jihadist

Islamicist

adj
  • Pertaining to Islamic fundamentalism. 

  • Pertaining to Islamic scholarship. 

noun
  • An expert or scholar in Islam. 

  • An Islamic fundamentalist. 

jihadist

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

noun
  • An adherent of jihadism. 

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

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

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