coiner vs protologist

coiner

noun
  • A person who invents words or phrases. 

  • A person who invests in or advocates for cryptocurrencies. 

  • A person who makes coins (often counterfeit coins). 

protologist

noun
  • The first person to describe a new species. 

  • A specialist in diseases of the colon and rectum. 

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