industrialist vs magnate

industrialist

noun
  • A person involved in the ownership or management of an industrial enterprise. 

  • One who performs or enjoys industrial music. 

magnate

noun
  • Powerful industrialist; captain of industry. 

  • 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. 

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

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