antediluvial vs outdated

antediluvial

adj
  • Antiquated. 

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

outdated

adj
  • Out of date, old-fashioned, antiquated. 

  • Out of date; not the latest; obsolete. 

How often have the words antediluvial and outdated occurred in a corpus of books?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