roughspun vs unrefined

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. 

unrefined

adj
  • crude, raw or unprocessed 

  • lacking refinement; uncouth 

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