imperatorial vs transcendent

imperatorial

adj
  • Commanding; authoritative. 

  • Relating to the title or office of imperator. 

transcendent

adj
  • supreme in excellence 

  • beyond the range of usual perception 

  • free from constraints of the material world 

  • surpassing usual limits 

noun
  • That which surpasses or is supereminent; something excellent. 

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