idol vs paladin

idol

noun
  • A cultural icon, or especially popular person. 

  • A popular entertainer, usually young, captivating and attractive, and often female, with an image of being close to fans. 

  • A graven image or representation of anything that is revered, or believed to convey spiritual power. 

paladin

noun
  • A defender or advocate of a noble cause. 

  • Any of the twelve Companions of the court of Emperor Charlemagne. 

  • A heroic champion, especially a knight. 

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