deny vs vow

deny

verb
  • To disclaim connection with, responsibility for, etc.; to refuse to acknowledge; to disown; to abjure; to disavow. 

  • To assert that something is not true. 

  • To refuse to give or grant something to someone. 

  • To disallow or reject. 

  • To take something away from someone; to deprive of. 

  • To prevent from scoring. 

vow

verb
  • To declare publicly that one has made a vow, usually to show one's determination or to announce an act of retaliation. 

  • To make a vow; to promise. 

  • To make a vow regarding (something). 

noun
  • A solemn promise to perform some act, or behave in a specified manner, especially a promise to live and act in accordance with the rules of a religious order. 

  • A declaration or assertion. 

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