extrapolation vs generality

extrapolation

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

  • The diametric opposite of interpolation. 

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

generality

noun
  • A generalization. 

  • The population in general. 

  • The quality of being general. 

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