kingly vs opulent

kingly

adj
  • Characteristic of kings, majestic, regal; as befits a king, in the manner of a king. 

  • Of or belonging to a king or kings; exercised by a king. 

adv
  • In a royal manner. 

opulent

adj
  • Rich, sumptuous and extravagant. 

  • Luxuriant, and ostentatiously magnificent. 

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