highborn vs superb

highborn

adj
  • Of superior or premium quality; magnificent; expensive. 

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

superb

adj
  • First-rate; of the highest quality; exceptionally good. 

  • Grand; magnificent; august; stately. 

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