grandstand vs show off

grandstand

verb
  • To behave dramatically or showily to impress an audience or observers; to pander to a crowd. 

noun
  • The audience at a public event. 

  • The seating area at a stadium or arena; the bleachers. 

show off

verb
  • To attract attention to for the purpose of bragging or personal exhibitionism; to demonstrate a skill, talent or property for the purpose of bragging or personal exhibitionism. 

  • To exhibit the best attributes of something. 

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