lay it on thick vs show off

lay it on thick

verb
  • To exaggerate or overstate a feeling or emotion. 

  • To flatter. 

  • To guilt, guilt-trip. 

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 lay it on thick and show off occurred in a corpus of books? (source: Google Ngram Viewer )