dynasty vs sept

dynasty

noun
  • A series of rulers or dynasts from one family. 

  • The polity or historical era under the rule of a certain dynasty. 

  • A team or organization which has an extended period of success or dominant performance. 

sept

noun
  • A clan, tribe, or family, proceeding from a common progenitor; especially, one of the ancient clans of Ireland. 

  • An enclosure; a railing. 

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