complication vs vindication

complication

noun
  • The act or process of complicating. 

  • A person who doesn't fit in with the main scheme of things; an interloper. 

  • The state of being complicated; intricate or confused relation of parts; complexity. 

  • A feature beyond basic time display in a timepiece. 

  • A disease or diseases, or adventitious circumstances or conditions, coexistent with and modifying a primary disease, but not necessarily connected with it. 

vindication

noun
  • The act of vindicating or the state of being vindicated. 

  • Evidence, facts, statements, or arguments that justify a claim or belief. 

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