antediluvial vs up-to-date

antediluvial

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

  • Antiquated. 

up-to-date

adj
  • Informed about the latest news or developments; abreast. 

  • Current; recent; the latest. 

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