affable vs civil

affable

adj
  • Receiving others kindly and conversing with them in a free and friendly manner; friendly, courteous, sociable. 

  • Mild; benign. 

civil

adj
  • Behaving in a reasonable or polite manner. 

  • Secular. 

  • Relating to private relations among citizens, as opposed to criminal matters. 

  • Having to do with people and government office as opposed to the military or religion. 

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