Green vs eco-activist

Green

noun
  • A member of a Green Party or green party. 

name
  • An unincorporated community in Elliott County, Kentucky. 

  • A census-designated place in Douglas County, Oregon. 

  • A minor city in Clay County, Kansas. 

  • A common English surname from Middle English. 

  • A number of townships in the United States, listed under Green Township. 

  • A city in Summit County, Ohio, formerly a township. 

adj
  • Of, or pertaining, to a Green Party or green party. 

eco-activist

How often have the words Green and eco-activist occurred in a corpus of books? (source: Google Ngram Viewer )