highfalutin vs orotund

highfalutin

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

orotund

adj
  • Pompous; bombastic. 

  • Characterized by fullness, clarity, strength, and smoothness of sound. 

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