frith vs verdure

frith

noun
  • Brushwood or undergrowth, sometimes in the form of a hedge. 

  • A forest or wood; woodland generally. 

  • Land with mostly undergrowth and few trees; also, land in between forests or woods; pastureland which is not in use. 

  • A hedge, especially one made from brushwood which has been wattled; also, a movable frame made from wattled branches, a hurdle. 

verdure

noun
  • The greenness of lush or growing vegetation; also: the vegetation itself. 

  • A condition of health and vigour. 

verb
  • To cover with verdure. 

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