newspeak vs slang

newspeak

noun
  • Use of ambiguous, misleading, or euphemistic words in order to deceive the listener, especially by politicians and officials. 

slang

noun
  • The specialized language of a social group, sometimes used to conceal one's meaning from outsiders; cant. 

  • A curse word. 

  • A particular variety of slang; the slang used by a particular group. 

  • An item of slang; a slang word or expression. 

  • Language outside of conventional usage and in the informal register. 

  • Language that is unique to a particular profession or subject; jargon. 

  • Any long, narrow piece of land; a promontory. 

verb
  • To sell (especially illegal drugs). 

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