countersign vs deny

countersign

noun
  • A second signature added to a document to affirm the validity of the signature of the first person. 

  • The response to a sign or signal. 

verb
  • To sign on the opposite side of (a document). 

  • To add a second signature to a document, affirming the validity of the signature of another person. 

deny

verb
  • To assert that something is not true. 

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

  • 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. 

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