enhance vs gild

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. 

gild

verb
  • To give a bright or pleasing aspect to. 

  • To cover with a thin layer of gold; to cover with gold leaf. 

  • To adorn. 

  • To decorate with a golden surface appearance. 

  • To make appear drunk. 

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