kingly vs princely

kingly

adv
  • In a royal manner. 

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

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

princely

adv
  • In the manner of a royal prince's conduct. 

adj
  • Relating to a prince; regal; royal. 

  • Befitting a prince; grand; lavish or opulent. 

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