idol vs portrait

idol

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

  • 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. 

portrait

noun
  • An accurate depiction of a person, a mood, etc. 

  • A print orientation where the vertical sides are longer than the horizontal sides. 

  • A painting or other picture of a person, especially the head and shoulders. 

adj
  • Representing the actual features of an individual; not ideal. 

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