antediluvial vs behind the times

antediluvial

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

  • Antiquated. 

behind the times

prep
  • Out of date; old-fashioned; obsolete; outmoded; outdated. 

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