highborn vs impressive

highborn

adj
  • Of, pertaining to, or befitting people of high social standing. 

  • Of superior or premium quality; magnificent; expensive. 

impressive

adj
  • Making, or tending to make, a positive impression; having power to impress 

  • Appealing. 

  • Capable of being impressed. 

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