Ishmaelite vs Moslem

Ishmaelite

noun

  • An Arab Muslim. 

  • An outcast. 

  • Any descendant of Ishmael. 

Moslem

noun

  • Dated spelling of Muslim. 

adj

  • Dated spelling of Muslim. 

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