contrary vs second-class

contrary

adj
  • Opposite; in an opposite direction; in opposition; adverse. 

  • Opposed; contradictory; inconsistent. 

  • Given to opposition; perverse; wayward. 

noun
  • One of a pair of propositions that cannot both be simultaneously true, though they may both be false. 

  • The opposite. 

adv
  • Contrarily 

second-class

adj
  • Inferior in quality or standing. 

  • Of a standard or grade one level below the best. 

How often have the words contrary and second-class occurred in a corpus of books? (source: Google Ngram Viewer )