antediluvial vs cobwebby

antediluvial

adj
  • Antiquated. 

  • Of or pertaining to a time before Noah's flood. 

cobwebby

adj
  • Old or dated. 

  • Resembling a cobweb or cobwebs. 

  • Having many cobwebs. 

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