leathercloth vs oilcloth

leathercloth

noun
  • A kind of artificial leather; oilcloth. 

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 leathercloth and oilcloth occurred in a corpus of books? (source: Google Ngram Viewer )