diametral vs witherward

diametral

adj
  • Contrary; diametrically opposed. 

  • Of, relating to, or measured across a diameter. 

witherward

adj
  • Adverse, contrary. 

  • at the witherward side of the year 

  • Opposite, opposing; hostile. 

noun
  • Opposite; adversity, opposition; hostility 

adv
  • Contrary to, against. 

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