c-note vs yearhundred

c-note

noun
  • A one-hundred dollar banknote. 

  • The lowest note of an instrument, written below the staff and the D note. 

yearhundred

noun
  • A period of a hundred consecutive years; a century. 

  • Holonym: yearthousand 

How often have the words c-note and yearhundred occurred in a corpus of books? (source: Google Ngram Viewer )