buyer vs haggler

buyer

noun
  • A person who purchases items consumed or used as components in the manufacture of products. 

  • A person who purchases items for resale in a retail establishment. 

  • A person who makes one or more purchases. 

haggler

noun
  • A person who buys vegetables and other produce from farms and then sells them on in a different location; a person who transports farm goods. 

  • A person who haggles. 

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