fudge the issue vs prevaricate

fudge the issue

verb
  • Adopt a solution to a specific problem which does not address the larger, more general problem of which the specific problem is an instance. 

prevaricate

verb
  • To undertake something falsely and deceitfully, with the purpose of defeating or destroying it. 

  • To collude, as where an informer colludes with the defendant, and makes a sham prosecution. 

  • To shift or turn from direct speech or behaviour; to deviate from the truth; to evade the truth; to waffle or be (intentionally) ambiguous. 

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