drag up vs show off

drag up

verb
  • To remind people of something, usually unpleasant, from the past. 

  • Used other than figuratively or idiomatically: see drag, up. 

  • To educate reluctant pupils. 

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 drag up and show off occurred in a corpus of books? (source: Google Ngram Viewer )