conceited vs imperious

conceited

adj
  • Having an excessively favorable opinion of one's abilities, appearance, etc.; vain and egotistical. 

  • Having an ingenious expression or metaphorical idea, especially in extended form or used as a literary or rhetorical device. 

imperious

adj
  • Domineering, arrogant, or overbearing. 

  • Urgent. 

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