drug trafficker vs monger

drug trafficker

noun
  • A person involved in the smuggling, distribution, and sale of illegal drugs. 

monger

noun
  • A dealer in a specific commodity. 

  • A small sea vessel. 

  • A person promoting something undesirable. 

verb
  • To promote something undesirable. 

  • To sell or peddle something 

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