anthropogenic vs anthropogenous

anthropogenic

adj
  • Having its origin in the influence of human activity on nature. 

  • Pertaining to the origin of man, or anthropogeny. 

anthropogenous

adj
  • having its origin in the activities of mankind; particularly, referring to environmental alterations resulting from the presence or activities of humans 

  • of or pertaining to anthropogeny 

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