elderdom vs supremacy

elderdom

noun
  • 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. 

  • Authority; dominion. 

supremacy

noun
  • The quality of being supreme. 

  • The ideology that a specified group is superior to others or should have supreme power over them. 

  • Power over all others. 

  • A state of privilege for a specified group relative to other people in society. 

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