elation vs happiness

elation

noun
  • A feeling of joy and pride. 

  • A collineation that fixes all points on a line (called its axis) and all lines though a point on the axis (called its center). 

  • An exhilarating psychological state of pride and optimism. 

happiness

noun
  • The emotion of being happy; joy. 

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