doublespeak vs vagueness

doublespeak

noun
  • Any language deliberately constructed to disguise or distort its actual meaning, often by employing euphemism or ambiguity. 

vagueness

noun
  • Something which is vague, or an instance or example of vagueness. 

  • The condition of being unclear; vague. 

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