librarian vs penman

librarian

noun
  • One who cares for the publications, files etc. in a library, whether staff or volunteer. 

  • The keeper, manager of a library. 

  • A person who processes and organizes information. 

penman

noun
  • A person with writing skills; a journalist or other author. 

  • A scribe, or person who copies texts. 

  • A forger. 

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