disbelieve vs subsume

disbelieve

verb
  • To not believe; to exercise disbelief. 

  • To actively deny (a statement, opinion or perception). 

  • To cease to believe. 

subsume

verb
  • To place (any one cognition) under another as belonging to it; to include or contain something else. 

  • To consider an occurrence as part of a principle or rule; to colligate 

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