inexpert vs roughspun

inexpert

adj
  • Inept or unskilled; not of expert ability or quality. 

noun
  • An inept or unskilled person. 

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 inexpert and roughspun occurred in a corpus of books? (source: Google Ngram Viewer )