assumption vs disbelief

assumption

noun
  • The act of taking for granted, or supposing a thing without proof; a supposition; an unwarrantable claim. 

  • A festival in honor of the ascent of the Virgin Mary into heaven, celebrated on 15 August. 

  • Assumptio. 

  • The minor or second proposition in a categorical syllogism. 

  • The taking of a person up into heaven. 

  • The act of assuming, or taking to or upon oneself; the act of taking up or adopting. 

  • The thing supposed; a postulate, or proposition assumed; a supposition. 

disbelief

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

  • Astonishment. 

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

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