decorate vs tart up

decorate

verb
  • To extend a method, etc. by attaching some further code item. 

  • To honor by providing a medal, ribbon, or other adornment. 

  • To decorate an interior space, as a house, room, or office. 

  • To furnish with decorations. 

  • To improve the appearance of an interior of, as a house, room, or office. 

tart up

verb
  • To modify or repackage a product, service, or idea to make it more attractive or easier to sell. 

  • To dress like a prostitute. 

  • To dress garishly. 

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