antithetic vs pushmi-pullyu

antithetic

adj

  • diametrically opposed 

  • antithetical 

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 antithetic and pushmi-pullyu occurred in a corpus of books? (source: Google Ngram Viewer )