beneficence vs selfishness

beneficence

noun
  • An act of philanthropy, a kind deed; an act which benefits someone else. 

  • Good or charitable character or behavior. 

selfishness

noun
  • the quality of being selfish; the condition of putting one's own interests before those of others. 

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