coiner vs inventrix

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). 

inventrix

noun
  • A female that invents. 

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