courtly vs reginal

courtly

adj
  • Of or relating to a royal court. 

  • Befitting of a royal court; reflecting the manners or behaviour of people at court. 

adv
  • In the manner of a royal court; in a manner befitting of a royal court. 

reginal

adj
  • Of, relating to, or resembling a queen. 

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