elation vs exultancy

elation

noun
  • An exhilarating psychological state of pride and optimism. 

  • 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). 

exultancy

noun
  • exultance, exultation 

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