divarication vs forking

divarication

noun
  • The point at which branching occurs. 

  • A divergence of opinion. 

  • The growth habit of some low-growing shrubs; with wide angles where they diverge, the branches may interlace. 

forking

noun
  • division into forks 

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