Soviet vs Stalinist

Soviet

noun
  • A citizen of the Union of Soviet Socialist Republics. 

adj
  • Supporting or representing the Soviet Union or Sovietism; Sovietist. 

  • Pertaining to the Soviet Union or its constituent republics. 

Stalinist

noun
  • A person who accepts the philosophy of Stalinism. 

adj
  • Of, relating to, or resembling Joseph Stalin, a Bolshevik revolutionary. 

  • Of or relating to Stalinism. 

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