cobwebby vs eldern

cobwebby

adj
  • Old or dated. 

  • Resembling a cobweb or cobwebs. 

  • Having many cobwebs. 

eldern

adj
  • Elder; elderly; aged; old. 

  • Not new; old; ancient. 

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