bootmaker vs cordwainer

bootmaker

noun
  • A maker of boots; a cobbler. 

cordwainer

noun
  • A shoemaker. 

  • A member of the Worshipful Company of Cordwainers, a livery company. 

  • A worker in cordwain. 

  • A leather from Córdoba. 

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