antiqueness vs eldership

antiqueness

noun
  • The state or quality of being antique. 

eldership

noun
  • Seniority; the state or condition of being older. 

  • The position or office of being an elder. 

  • The smallest administrative division in Lithuania, equivalent to a ward. 

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