plethoric vs stratospheric

plethoric

adj
  • Excessive, overabundant, rife; loosely, abundant, varied. 

  • Suffering from plethora; ruddy in complexion, congested or swollen with blood. 

stratospheric

adj
  • Unusually or unreasonably high; astronomical. 

  • Of, relating to, or occurring in the stratosphere (“the region of the uppermost atmosphere”). 

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