elderdom vs sovereignty

elderdom

noun
  • Authority; dominion. 

  • Preeminence; superiority. 

  • The role or influence of an elder or elders. 

  • The authority, rule, or office of an elder. 

  • The state of being an elder, or of being older; elderhood. 

sovereignty

noun
  • Of a ruler: supreme authority over all things. 

  • An independent or sovereign territory. 

  • Of a polity: the state of making laws and controlling resources without the coercion of other nations. 

  • Of a person: the liberty to decide one's thoughts and actions. 

  • Excellence, mastery, preeminent efficacy. 

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