greenness vs verdure

greenness

noun
  • The state or quality of being green; green colour. 

  • The fact of being environmentally or ecologically conscious; commitment to environmental conservation. 

  • Inexperience. 

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 greenness and verdure occurred in a corpus of books? (source: Google Ngram Viewer )