Socialist vs revolutionary

Socialist

noun
  • A member of a party or political group that advocates socialism. 

adj
  • Of, belonging to, or constituting a party or political group that advocates socialism. 

revolutionary

noun
  • A revolutionist; a person who revolts. 

adj
  • Of or pertaining to a revolution in government; tending to, or promoting, revolution 

  • pertaining to something that portends of great change; overthrowing a standing mindset 

  • pertaining to something that revolves 

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