greed vs selfishness

greed

noun
  • A selfish or excessive desire for more than is needed or deserved, especially of money, wealth, food, or other possessions. 

verb
  • To desire in a greedy manner, or to act on such a desire. 

selfishness

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

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