diametric vs pushmi-pullyu

diametric

adj
  • Directly opposing. 

  • Of or relating to a diameter; diametral. 

pushmi-pullyu

adj
  • Conflicting or contradictory. 

  • in teleosemantics, being a representation with both indicative and imperative content. 

noun
  • A person who behaves in a conflicting or contradictory manner. 

How often have the words diametric and pushmi-pullyu occurred in a corpus of books? (source: Google Ngram Viewer )