greenness vs preadolescence

greenness

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

  • Inexperience. 

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

preadolescence

noun
  • The period between childhood and adolescence, between the ages of about 9 and 11 for girls, and 10 and 12 for boys. 

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