haberdasher vs mercer

haberdasher

noun
  • A dealer in ribbons, buttons, thread, needles and similar sewing goods. 

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

  • A men's outfitter. 

mercer

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

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