elderdom vs paramountcy

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. 

paramountcy

noun
  • The fact or condition of being paramount; supremacy, precedence. 

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