magisterial vs reginal

magisterial

adj
  • Of or pertaining to a master, magistrate, the magisterium, or one in authority. 

  • Befitting the status or skill of a magister or master; authoritative, masterly. 

  • Pertaining to, produced by, or of the nature of, magistery. 

reginal

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

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