Mohammedan vs Saracen

Mohammedan

noun
  • Muslim. 

adj
  • Muslim, Islamic. 

  • relating to Mohammed. 

Saracen

noun
  • A member of a nomadic people from the Sinai near the Roman province of Arabia in the early centuries CE, who were specifically distinct from Arabs. 

  • A type of six-wheeled armoured personnel carrier. 

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