amulet vs fetish

amulet

noun
  • A kind of protective charm or ornament, often bearing magical symbols, worn for protection against ill will, negative influences, or evil spirits. 

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. 

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