high-flown vs highfalutin

high-flown

adj
  • pretentiously eloquent; highly figurative 

  • lofty, extravagant, refined 

highfalutin

adj
  • Self-important, pompous; arrogant or egotistical. 

How often have the words high-flown and highfalutin occurred in a corpus of books? (source: Google Ngram Viewer )