roughspun vs untaught

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. 

untaught

adj
  • Not taught; uneducated. 

  • Not taught; not conveyed by means of instruction. 

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