humane vs mankindly

humane

adj
  • Having or showing concern for the pain or suffering of another; compassionate. 

  • Pertaining to branches of learning concerned with human affairs or the humanities, especially classical literature or rhetoric. 

mankindly

adj
  • Pertaining to or characteristic of mankind; humanly, humane. 

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