Fabianism vs Maoism

Fabianism

noun
  • The implementation of social reform through a series of gradual and moderate stages rather than sudden revolution. 

Maoism

noun
  • The philosophy espoused by Chinese leader Mao Zedong, a form of Marxism-Leninism that focuses on the peasantry as the revolutionary vanguard. 

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