linoleum vs oilcloth

linoleum

noun
  • An inexpensive waterproof covering used especially for floors, made from solidified linseed oil over a burlap or canvas backing, or from its modern replacement, polyvinyl chloride. 

oilcloth

noun
  • A fabric or cloth treated on one side with a waterproof covering, especially one made from linseed oil etc.; used for flooring, tablecloths, kitchen shelves and sometimes furniture covering. 

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