crass vs roughspun

crass

adj
  • coarse; crude; unrefined or insensitive; lacking discrimination 

  • materialistic 

  • dense 

  • Lacking finesse; crude and obvious. 

roughspun

adj
  • Unpolished, rough and ready, uncultured, unsophisticated. 

  • Woven from a coarsely spun yarn, (usually also from a coarse material). 

noun
  • A garment made from roughly spun yarn or made from a coarse material. 

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