magnate vs nouveau riche

magnate

noun
  • In medieval and early modern Italy, a member of a legally defined category of especially wealthy patrician families, often deprived of the right to political participation by republican governments. 

  • Powerful industrialist; captain of industry. 

  • A person of rank, influence or distinction in any sphere. 

nouveau riche

noun
  • New money; wealthy persons whose fortunes are newly acquired, and who are therefore perceived to lack the refinement of those who were raised wealthy. 

adj
  • Newly rich; like a nouveau riche. 

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