garble vs misstate

garble

verb
  • To make false by mutilation or addition 

  • To pick out such parts (of a text) as may serve a purpose; to mutilate; to pervert 

noun
  • Confused or unintelligible speech. 

misstate

verb
  • To make a statement that is in error, inadvertently; to say incorrectly, through a slip of the tongue. 

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