heavy hitter vs philanthropist

heavy hitter

noun
  • A person of considerable importance who is a major decision maker or capable achiever; an especially significant organization or an especially functional object. 

  • A player with a favorable batting average who is especially good at hitting the ball deep into the outfield or farther. 

  • In any sport, a strong, physical player who is particularly effective. 

philanthropist

noun
  • A person or institution who seeks to improve the world, especially by monetary gifts. 

  • A person who loves humankind in general. 

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