middle of the road vs nonfanatic

middle of the road

adj
  • Having a centrist attitude or philosophy; not extreme, especially politically. 

  • Of a type of melodic popular music that has wide appeal. 

nonfanatic

adj
  • Not fanatic; reasonable or moderate. 

noun
  • One who is not a fanatic. 

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