confuse vs decern

confuse

verb
  • To be confused. 

  • to puzzle, perplex, baffle, bewilder (somebody); to afflict by being complicated, contradictory, or otherwise difficult to understand 

  • To mix up, muddle up (one thing with another); to mistake (one thing for another). 

  • To mix thoroughly; to confound; to disorder. 

decern

verb
  • transferred sense 

  • Decree a person etc. to be or to do something by judicial sentence.  (in the phrase “to decern in”, obsolete) To mulct in by decree of court. 

  • Decree by judicial sentence that something be done. 

  • intransitive 

  • with simple object 

  • See distinctly (with the eyes or the mind); distinguish (an object or fact); discern. 

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