Mohammedan vs mosque-goer

Mohammedan

noun

  • Muslim. 

adj

  • Muslim, Islamic. 

  • relating to Mohammed. 

mosque-goer

noun

  • One who (regularly) attends a mosque; a practicing Muslim. 

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