contrary vs unclear

contrary

adj
  • Opposed; contradictory; inconsistent. 

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

  • 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 

unclear

adj
  • Ambiguous; liable to more than one interpretation. 

  • Not easy to see or read; indecipherable or unreadable. 

  • Not having a clear idea; uncertain. 

  • Not clearly or explicitly defined. 

verb
  • To undo the process of clearing. 

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