fetish vs idol

fetish

noun
  • Something which is believed to possess, contain, or cause spiritual or magical powers; an amulet or a talisman. 

  • Sexual attraction to or arousal at something abnormally sexual or nonsexual, such as an object or a nonsexual part of the body. 

  • An irrational, or abnormal fixation or preoccupation; an obsession. 

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. 

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