mercer vs outfitter

mercer

noun
  • A merchant dealing in fabrics and textiles, especially silks and other fine cloths. 

outfitter

noun
  • A person or shop that sells specialized clothes and equipment. 

  • A business that provides services for outdoor activities including accommodations. 

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