author vs coiner

author

noun
  • The originator or creator of a work, especially of a literary composition. 

  • Someone who writes books for a living. 

verb
  • To create a work as its author. 

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). 

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