couturier vs draper

couturier

noun
  • A company that is owned by or employs such a person; a fashion house. 

  • A person who designs haute couture (high fashion). 

draper

noun
  • One who sells cloths; a dealer in cloths; a textile merchant. 

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