deprecate vs heighten

deprecate

verb
  • To declare something obsolescent; to recommend against a function, technique, command, etc. that still works but has been replaced. 

  • To belittle or express disapproval of. 

heighten

verb
  • To make high; to raise higher; to elevate. 

  • To advance, increase, augment, make larger, more intense, stronger etc. 

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