Abecedarian vs prayer book

Abecedarian

noun
  • A member of a 16th-century Anabaptist sect, follower of the Zwickau prophets (and specially of Thomas Storch), who believed that any kind of knowledge (even basic reading and writing) would keep one from reaching obtaining salvation. 

prayer book

noun
  • A book containing religious prayers 

  • The Book of Common Prayer 

  • A small holystone 

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