keyboarder vs recorder

keyboarder

noun
  • Someone who keyboards; a typist. 

  • Synonym of keyboardist 

recorder

noun
  • An apparatus for recording; a device which records. 

  • A musical instrument of the woodwind family; a type of fipple flute, a simple internal duct flute. 

  • A judge in a municipal court. 

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