belittle vs enhance

belittle

verb
  • To knowingly say that something is smaller or less important than it actually is, especially as a way of showing contempt or deprecation. 

enhance

verb
  • To augment or make something greater. 

  • To take up contrast agent (for an organ, tissue, or lesion). 

  • To improve something by adding features. 

  • To be raised up; to grow larger. 

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