ideologist vs philosophizer

ideologist

noun
  • One who theorizes or idealizes; one who advocates the doctrines of ideology. 

philosophizer

noun
  • A philosopher, a person who writes or reasons in philosophy. 

  • A person who creates superficial arguments or offers meaningless solutions, instead of practical ones. 

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