Bolshevik vs reforming

Bolshevik

noun
  • A Russian communist revolutionary, member of the Bolshevik Party in the 1917 Communist Revolution of Russia. 

  • A member of the Communist Party that ruled the Russian Soviet Federative Socialist Republic and the Union of Soviet Socialist Republics. 

reforming

noun
  • A catalytic process, whereby short-chain molecules are combined to make larger ones; used in the petrochemical industry. 

  • reformation 

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