monography vs painting

monography

noun
  • Representation by lines without colour; an outline drawing. 

  • A monograph. 

painting

noun
  • An illustration or artwork done with the use of paint. 

  • The same activity as an art form. 

  • The action of applying paint to a surface. 

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