Hitlerism vs corporatism

Hitlerism

noun
  • The political philosophy and practices of Adolf Hitler and the Nazi party. 

corporatism

noun
  • The influence or effects of large business corporations. 

  • The principle or practice of corporate action; (in later use chiefly) specifically, a political ideology which advocates for government and social organization by collective interest groups. 

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