backwoodsman vs woolly back

backwoodsman

noun
  • An uncivilized person. 

  • A person who is acclimated to living in a forest area that is far removed from civilization or modern conveniences. 

  • A Peer who is seldom present in the House of Lords of the United Kingdom Parliament, who may be encouraged to attend when a very important vote is expected. 

woolly back

noun
  • Any unsophisticated person from the countryside. 

  • A New Zealander. 

  • A non-Liverpudlian person who travels to Liverpool, especially to work at the docks. 

  • A Welsh person. 

  • A person from the area surrounding Liverpool such as Skelmersdale, St. Helens, Southport, Wigan, Widnes, and the Wirral. 

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