disbelief vs sect

disbelief

noun
  • Astonishment. 

  • Unpreparedness, unwillingness, or inability to believe that something is the case. 

  • The loss or abandonment of a belief; cessation of belief. 

sect

noun
  • A group following a specific ideal or a leader. 

  • An offshoot of a larger religion or denomination, usually and especially one with unorthodox or extreme political and/or religious beliefs. 

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