heavy hitter vs patron

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. 

patron

noun
  • An influential, wealthy person who supported an artist, craftsman, a scholar or a noble. 

  • A guardian or intercessor; synonym of patron saint. 

  • One who protects or supports; a defender or advocate. 

  • A customer, as of a certain store or restaurant. 

  • A protector of a dependent, especially a master who had freed a slave but still retained some paternal rights. 

  • One who has gift and disposition of a benefice. 

  • A padrone. 

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