assumption vs extrapolation

assumption

noun
  • Assumptio. 

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

  • The minor or second proposition in a categorical syllogism. 

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

  • 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. 

extrapolation

noun
  • An inference about some hypothetical situation based on known facts. 

  • A calculation of an estimate of the value of some function outside the range of known values. 

  • The diametric opposite of interpolation. 

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