copier vs keyboarder

copier

noun
  • A person who copies documents. 

  • A program or process that copies. 

  • A machine that copies graphical material; a duplicator. 

keyboarder

noun
  • Someone who keyboards; a typist. 

  • Synonym of keyboardist 

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