indulgent vs stratospheric

indulgent

adj
  • Disposed or prone to indulge, humor, gratify, or yield to one's own or another's desires, etc., or to be compliant, lenient, or forbearing; 

stratospheric

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

  • Unusually or unreasonably high; astronomical. 

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