franchiser vs trafficker

franchiser

noun
  • A franchisor, a company which or person who grants franchises. 

  • A person who has the right to vote. 

trafficker

noun
  • Someone who traffics; a trader or merchant. 

  • A human trafficker or drug trafficker. 

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