antipodean vs diametral

antipodean

adj
  • diametrically opposed 

  • relating to the antipodes, or situated at opposite sides of the Earth 

  • of, or pertaining to, Australia or New Zealand 

noun
  • An inhabitant of the antipodes. 

diametral

adj
  • Contrary; diametrically opposed. 

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

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